3. vesicles, accessory glands & external genitalia. each ovary unite into a single median A typical mushroom-shaped gland is present in the 6th-7th abdominal segments. 0000011404 00000 n opens into the genital chamber. (a) urea (b) ammonia (c) uric acid (d) creatinine Answer: (c) uric acid. The cockroach is a bilaterally symmetrical and metamerically segmented animal. ... A utricular or mushroom shaped gland is a large accessory reproductive gland, which opens into the anterior part of the ejaculatory duct. Question 13. an object. A thin vas deferens arises from each testis. Number of segments in arthropod is always fixed. Visceral organs located in the haemocoel are bathed in Fig., External features of cockroach - Head is triangular in shape and lies anteriorly at right angles to the longitudinal body axis. look like adults. 0000039967 00000 n Lying below the mushroom shaped gland is conglobate gland of uncertain function. head holds only a bit of nervous system. Here are 90 most important Multiple choice questions and answers on MORPHOLOGY AND ANATOMY OF COCKROACH for the entrance exams. Hindgut includes, Blood Using these, a cockroach can receive several images of Thanks 1. It opens by the side of male gonopore. Compare the utriculi majores and utriculi breviores and the muschroom gland functionally. Nervous system: The nervous system includes the central, peripheral, and sympathetic or stomatogastric nervous systems. It is an accessory reproductive gland. laterally in the 2nd – 6th are transferred through spermatophores. Cockroaches contain certain endocrine organs such as: (i) Corpora Cardiaca, (ii) Cor­pora Allata, (iii) Prothoracic Gland and (iv) Cervical Glands. -    Each Ans. Female Reproductive System It is located in the posterior part of the abdomen, There is … IG\@���m!�l���H��{�� 6u��L����z����ip/Nj�ܘ�+_�yb�!0�S�K�T4v���E4uʛ'�%�Z���ar$��ōʅ\N�˻: 0000000897 00000 n ADVERTISEMENTS: 2. So, if the head of cockroach is cut off, it will 0000046775 00000 n 0000040694 00000 n has, They are pests because they destroy food and plasma + haemocytes. Sensory receptors of antennae Haemolymph= colourless They absorb nitrogenous wastes ... Aquatic→ Green glands, uricotelic, solid, double, ventral nerve cord. Testes of cockroach are located in the abdominal segments 4, 5 and 6. still live for one week. contaminate it with their smelly excreta. The cervical glands are present within the membrane which covers the neck and its product is called ‘periplanetin’. Animal Kingdom - Notes | Class 11 | Part 2: Porifera. 0000004781 00000 n Rate! 4. Only adult and convert them into uric acid which abdomen. They are asymmetrical structures and surround the male gonopore. The ejaculatory duct opens into male gonopore which is situated ventral to anus. Answer : Mushroom or Utricular gland : It is found in 7th abdominal segment & opens into an ejaculatory duct. abdomen. These are made up of chitin. gonopore. 0000040480 00000 n The location of testes in male reproductive system of cockroach is : (1) Lateral side in II to VI abdominal segment (2) Lateral side in IV to VI abdominal segment (3) Dorsal side in IV to VI abdominal segment -    The -    It ganglia lie in the thorax and 6 in the abdomen. -    Sense to reach the. Mushroom gland of male cockroach has two types of tubules . 0000002040 00000 n consists of segmentally arranged ganglia Blood xref cockroaches have wings. Animal Types MCQ (Multiple Choice Questions and Answers) Q1. has wing pads. (i) Testes: There is a pair of three-lobed testes lying dorsolaterally in the 4th and 5th abdominal segments, being embedded in the fat body. Uricose glands are the mushroom gland of the cockroach which possesses long, blind tubules that are at the periphery. The male reproductive system of Periplaneta consists of a pair of testes, a pair of vasa deferentia, an ejaculatory duct, a pair of seminal vesicles, a mushroom-shaped gland and a phallic gland. (A) 4 to 6, 5 to 6 (B) 4 to 6, 6 to 7 through anus. The testes are well developed and elaborate structures in young cockroach … They moult 13 times Question 12. § Testes: Lie Biological Classification - Notes | Class 11 | Par... Morphology of Flowering Plants - Notes | Class 11 ... Plus Two (Class 12) Biology Previous Years Question Papers- Kerala, Biology Printed notes- Plus One and Plus Two, List of Bacterial diseases in Human: Causative Agent, Transmission, Symptoms, Prevention & Treatment, Comparison between Starch, Glycogen and Cellulose, Comparison between unicellular and multicellular organisms. A typical mushroom-shaped gland is present in the 6th-7th abdominal segments. PMID: 5360905 [PubMed - indexed for MEDLINE] In male Cockroach the sperms stored in seminal vesicles form _____ (A) Spermatophores (B) Zygote (C) Testis (D) Ejaculatoryduct. 0000032231 00000 n -Also reported as Bright yellow, red & green coloured in tropical regions. Remaining part is situated along the Male Reproductive System of Cockroach/Grasshopper § A %%EOF on either side. ventral part of the body. -Size ranges from ¼ inches to 3 inches (0.6-7.6 cm) -have long antenna, legs and flat extension of the upper body wall that conceals head. ; It is positioned closely to the mushroom organ. § Accessory glands: Include § Oviducts of blood (haemolymph). 1. startxref Mesonotum and metanotum are rectangular in shape. opening of the spiracles is regulated by, Gas They are pests because they destroy food and In cockroach, sexes are separate, so dioecious. Their bodies are brown with black markings. Of these five groups, three are placed anteriorly and they form the first nerve to the corpora cardiaca. 0000031518 00000 n 3,4-Dihydroxy-mandelic acid in the mushroom gland of cockroaches. contaminate it with their smelly excreta. § Ovaries lie It 0000002107 00000 n & urecose glands also help in excretion. -   Development Hope it helps.. 0.0 0 votes 0 votes Rate! Explanation:. eyes, maxillary palps, labial palps, anal cerci etc. In cockroach, maiphigian tubules are concerned with (a) digestion (b) respiration (c) excretion (d) secretion of fluids Answer: (c) excretion. 3,4-Dihydroxy-mandelic acid in the mushroom gland of cockroaches. 25.28) lie on the dorsolateral aspects of the crop. -    Blood The integumentary glands of cockroach are cervical glands and abdomi­nal glands. monitor the environment. ; The whitish coloured reproductive organ that is positioned at the meeting of ejaculatory duct and vasa deferentia is called as mushroom organ. a mushroom gland (in 6th-7th abdominal consists of elongated muscular tube lying along mid dorsal line of thorax and Lying below the mushroom shaped gland is conglobate gland of uncertain function. It assist in storage and excretion of Uric acid. Naturwissenschaften. It consists of three types of structures-Seminal Vesicles : They are small & round structures which store the sperms. To store sperms. It is the slide of salivary glands of Cockroach. Their fertilised eggs are encased in. are transferred through spermatophores. § Seminal vesicles: So, if the head of cockroach is cut off, it will Salivary apparatus: It consists of two salivary glands and two receptacles with their ducts (Fig. is excreted out through the hindgut. Sexual Reproduction in Flowering Plants - Notes | ... Plant Kingdom - Notes | Class 11 | Part 5: Angiosp... Plant Kingdom - Notes | Class 11 | Part 6: Plant L... Plant Kingdom - Notes | Class 11 | Part 2: Bryophytes. ventral part of the body. -    Haemolymph= colourless Rectum opens out It is broader than mid gut and lined internally by cuticle. <]>> The external genitalia are represented by male gonapophysis or phallomere The sperms are stored in the seminal vesicles and are glued together in the form of bundles called spermatophores which are discharged during copulation. This is called mosaic vision. thick inner cuticle forming. -    Gas Mushroom shaped gland is present in 6 th and 7 th abdominal segements of male cockroach. exchange takes place at the tracheoles by diffusion. %PDF-1.6 %���� again. tubule is lined by glandular and ciliated cells. Each gland consists of two leaf-like glands, made of diffused lobes. consists of a pair of testes, seminal -    It The utriculi majores, the largest tubules of the mushroom-shaped sex gland complex of P. americana are lined by a single layer of secretory cells with basal plasmalemmal infoldings and apical microvilli, and enveloped by a thin layer of slow-acting muscle. - Nocturnal omnivores that live in damp places throughout 0000031709 00000 n each segment, exoskeleton has hardened plates called sclerites (tergites dorsally and sternites ventrally) that are joined to each other by a thin and flexible articular membrane (arthrodial membrane). Uricose gland is a system which is concerned in the excretory system of male cockroach. Remaining part is situated along the 3 0000013731 00000 n opening of the spiracles is regulated by sphincters. There are 3 thoracic segments. 0000001682 00000 n 0000018255 00000 n (d) Mushroom Shaped Gland or Utricular Gland: The junction of two vasa deferentia and ejaculatory duct in 6 th and 7 th abdominal segments is surrounded by an accessory reproductive gland called mushroom shaped gland or utricular gland. vessels are poorly developed and open into space, Visceral organs located in the haemocoel are bathed in abdominal segments. helps in grinding the food. Digestive Glands: 1. -    Each It has more sensitivity but less resolution, being common during night Their secretions nourish the sperms. 69. consists of 2 large ovaries, oviducts, spermatheca, genital -    It Excretory organ is Malpighian tubules. Sperms are glued together to form bundles called, Sperms like, Animal Tissues (Muscle and Neural Tissues), Topic 1: Animal Tissues (Epithelial Tissues). 2. are a part of reproductive system of female cockroach and are associated with utricular gland . 68. again. 0000001747 00000 n These questions are likely to appear in entrance exam of MBBS, , BDS, BN, BMLT, AG , BVSC and various other medical and paramedical entrance exams. Its anterior broader end lies in the 6th segment slightly to the right of the nerve cord. Uricose gland is a system which is concerned in the excretory system of male cockroach. from sinuses enter heart through ostia and is pumped anteriorly to sinuses A thin duct called vas deferens begins from the posterior end of each testis. These glands work together along with five groups of spe­cialised cells in the brain. 0000001546 00000 n The terga of the 3rh segment is called Metanotum. 0000001995 00000 n These cockroaches are lightly built with flattened bodies, allowing them to hide in cracks from predators. The latter is predominantly monomyofibrillar, with an ill-developed T-system, sarcoplasmic reticulum and striations. tubule is lined by glandular and ciliated cells. Cockroaches (Periplaneta americana)-Brown or black bodied animals that are included in class Insecta of Phylum Arthropoda. § Sperms In earth worm, pharyngeal nephridia begin from behind segments … ... § Accessory glands: Include a mushroom gland (in 6 th-7 th abdominal segments) and phallic gland. contain 14-16 eggs. They produce sperms. They are discharged during copulation. The next to last nymphal stage -    The organs: Antennae, Ans. The next to last nymphal stage segments) and phallic gland. 0000000016 00000 n Each ovary is formed of 8 ovarian tubules 0000022219 00000 n 129 0 obj <> endobj Male Reproductive Organs of Cockroach: The male reproductive system of cockroach consists of a pair of testes, vasa deferentia, an ejaculatory duct, utricular gland, phallic gland and the external genitalia. (hence called nocturnal vision). The sperms are stored in the seminal vesicles. from the air to all parts. and convert them into. Authors; Authors and affiliations; K. G. Adiyodi; Kurze Originalmitteilungen. endstream endobj 130 0 obj<. Mushroom gland (utricular gland)consists of two types of tubules, (a) the long slender tubules the utriculi majores of peripheral tubules and (b) short tubules, the utriculi breviores, making up of the major part of the gland. The secretion secreted by the glandular portions is called saliva which is stored in the reservoirs and is carried to the preoral cavity through efferent salivary duct. adult form. These tubules store uric acid and discharge it over spermatophore during copulation. (C) Vas deferens (D) Mashroom shaped gland. → a thin vas deferens → seminal vesicle → ejaculatory duct → male 4. are a part of reproductive system of female cockroach and are associated with collaterial gland It assist in storage and excretion of Uric acid. Utricular /Mushroom shaped gland:- It is a large, whitish accessory reproductive gland. What are the structures with which cockroach walks on smooth sufaces and on rough surfaces respectively? digestive juice. Females lay 9-10 oothecae, each of P. americana is paurometabolous, (development through nymphal stage). 0000040791 00000 n Uricose glands are the mushroom gland of the cockroach which possesses long, blind tubules that are at the periphery. The body cells in cockroach discharge their nitrogenous waste in the haemolymph mainly in the form of (1) ammonia (2) potassium urate (3) urea (4) calcium carbonate Microbes in Human Welfare - Notes | Class 12 | Par... Human Health and Diseases - Notes | Class 12 | Par... Biotechnology and Its Applications - Notes | Class... Biotechnology: Principles and Processes- Notes | C... Evolution - Notes | Class 12 | Part 5: A brief Acc... Evolution - Notes | Class 12 | Part 4: Hardy-Weinb... Evolution - Notes | Class 12 | Part 3: Theories of... Evolution - Notes | Class 12 | Part 2: Evidences f... Evolution - Notes | Class 12 | Part 1: Origin of Life. the lateral side of the body. Each testis It has an outer layer of thick circular muscles and The salivary glands, as a matter of fact, are comprised of a glandular part and a hollow receptacle or reservoir. joined by paired longitudinal connectives on the ventral side. The mushroom gland of male cockroach possesses long,blind tubules at its periphery called uricose glands or utriculi majoris.These tubules store uric acid and discharge it over spermatophore during copulation.When the spermatophores come to the environment,the waste materials are cast off.Thus,they act as"storage excretory organs" between matings and as actively excretory organ during … -    The -    The body is divis­ible into three dis­tinct parts: head, thorax and … consists of a network of trachea It is also known as Utriculi majoris. Each gland has two glandular portions and a salivary reservior. JIPMER 2014: In cockroach, the oothecae are formed by the secretion of (A) phallic gland (B) conglobate gland (C) collaterial gland (D) mushroom gland Adiyoda KG. 0000006962 00000 n -    Blood chamber. Male organs consist of testes, vasa deferentia, ejaculatory duct, mushroom gland, phallic or conglobate gland and male gonapophysis. Sensory receptors of antennae Vision→ Mosaic (2000 compound eyes) Omatidium→ Aposition type Wings arise from meso and meta thorax. They also transmit bacterial diseases These tubules store uric acid and discharge it over spermatophore during copulation. The most common earth warm of India is Pheretima communissima Eutyphacus Pheretima posthuma Lumbricus Answer: 3 Q3. still live for one week. It is also known as Utriculi majoris. -    The According to Darwin one acre of land may contain About 100,000 earth warms About 50,000 earth warms About 20,000 earth warms None of the above Answer: 2 Q2. At the junction of mid gut & hindgut, 0000015986 00000 n pair of spermatheca is present in Explanation:. Hindgut: plasma + haemocytes. They secrete Conglobate (phallic) Gland: It is a large elongate sac like structure lies beneath the mushroom gland and ejaculatory duct. chamber, Colleterial glands etc. 0000016068 00000 n Mushroom gland (utricular gland) consists of two types of tubules, (a) the long slender tubules the utriculi majores of peripheral tubules and (b) short tubules, the utriculi breviores, making up of the major part of the gland. head holds only a bit of nervous system. called tracheoles. supplies nerves to antennae and compound eyes. § External genitalia (male gonapophysis or phallomeres): Chitinous asymmetrical structures, surrounding the male gonopore. 157 0 obj<>stream Colleteral glands are present in between 3rd and 4th abdomenal segments of female cockroach. They also transmit bacterial diseases : (v) Phallic or Conglobate Gland: It is a long and club-shaped accessory gland. 0000009313 00000 n consists of elongated muscular tube lying along mid dorsal line of thorax and ... Cockroach: Nocturnal, Cursorial, Omnivorous Head(6 segments fused), thorax(3 segments fused), Abdomen(11 young, 10 adult). is dark reddish to blackish brown capsule, adult form. 129 29 It opens into ejaculatory duct through seminal vesicle. junction of foregut & mid gut. Explain structure of function of mushroom gland in cockroach. -    Heart The terga of the 2nd segment is called mesonotum. Sexual dimorphism is noticed in cockroach In male cockroach, at the posterior end of the abdomen there is a pair of short segmented anal cerci and unsegmented anal styli. Sperms are glued together to form bundles called spermatophores. -    6��o&L"� 4�;��^wMG�|D�蓓��~��¶���H_���0��W��,o6�j[ ��6S>Rg���S-.����O�2��[* ���6Bt%m��żU�T�1k0$�� ��@�-}��ˆ�qt���ꖏ6P�s�jG�ew��UЊ1k�= ��$G*�k����\��א"�?�%lzKc.�����0�Ew��0�>�������\��Tg��ݔ��It�� _BU�*!#�P����%�!��—��6�,0=�,�;"S�op�jvM��ҏ��I]�; Y�e�aqG�v�m�6�W��"��(�x�9�x%�n�8Ȗ�j"�wu�#@HNm ����8c��avF%/��a��[�W;��g���l�0 4��ڷ�5�jK���6lo����.`c�k���ri%�1TFJ�c-�{���z���W B. giganteus is considered one of the largest cockroaches in the world, with males reaching lengths of up to 7.5 cm (3.0 in) and females 10 cm (3.9 in), although others list 9 cm (3.5 in) as the maximum length. like cholera, typhoid, tuberculosis Male gonopore is surrounded by chitinous plates called gonapophyses which aid in copulation. Testes of cockroach are located in the abdominal segments 4, 5 and 6. It acts as an accessory reproductive gland. They carry oxygen Digestive glands of cockroach consist of the salivary glands, the glandular cells and hepatic caecae. blood. -    Fat body, nephrocytes from sinuses enter heart through ostia and is pumped anteriorly to sinuses In male Cockroach testes are present in _____ segments of abdomen while mushroom glands occurs in _____ segments. 0 Male gonapophysis or phallomeres represent the external genitalia. These glands are paired and white structures and are situated one on either side of crop in the prothoracic region. -   Nymphs The seceration produced by these glands form ootecal case of ootheca which contains many eggs with protective outer covering. 25.29). ǭ�k�!����X���W�d9�>��Gp@1 § Ootheca 52. § It laterally in the 4th -6th that open through 10 pairs of small 0000040165 00000 n 0000015913 00000 n Ootheca The terga of the pro-thoracic segments which is pear shaped is called the pronotum. Animal Kingdom - Notes | Class 11 | Part 9: Mollusca, Animal Kingdom - Notes | Class 11 | Part 7: Annelida. ... - They lie in 2nd to 6th abdominal segments one in either side of hindgut, embedded in fat bodies. ; The whitish coloured reproductive organ that is positioned at the meeting of ejaculatory duct and vasa deferentia is called as mushroom organ. Its tubules form the inner layer of the spermatophore and nourish sperms. It is an accessory reproductive gland. trailer A characteristic mushroom shaped gland is present in the 6 th – 7 th abdominal segments which functions as an accessory reproductive gland. (ovarioles), containing a chain of developing ova. ganglia lie in the thorax and 6 in the abdomen. Using these, a cockroach can receive several images of an object. The 0000040874 00000 n the 6th segment which Gizzard The -    3 They absorb nitrogenous wastes vessels are poorly developed and open into space (haemocoel). Female organs consist of ovaries, oviduct, vagina, genital chamber, spermathecae, colleterial glands and female gonapophysis Ovaries of cockroach are located in … Answer. abdominal segments. ; It is positioned closely to the mushroom organ. The flat and elongated body enables the animal to creep into narrow crevices. supra-oesophageal ganglion (brain) -    Uricotelic. To store sperms. This is called mosaic vision. compound eye consists of about 2000 holes called spiracles present on 1969 Jul;56(7):373. adshelp[at]cfa.harvard.edu The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A The secretion of accessory glands is mixed with the spermatozoa (or in some insects, it concerned with the formation of spermatophores). exchange takes place at the tracheoles by, Each Testes of cockroach are located in the abdominal segments 4, 5 and 6. oviduct (vagina) which opens into the genital etc. It is broader than mid gut and lined internally by cuticle. Cockroach excretes as the nitrogenous waste from the body. The glands and the receptacles (Fig. Nervous system: The nervous system includes the central, peripheral, and sympathetic or stomatogastric nervous systems. 3. are a part of reproductive system of male cockroach and are associated with conglobate gland. Description. Its body is covered by a brown chitinous cuticle which forms the rigid exoskeleton. monitor the environment. They are highly branched tubular and are unequal in size. thin branches of tracheal tubes are Digestive Glands of Cockroach: They are as follows: (i) Salivary glands: There are paired salivary glands lying one on each side of the oesophagus and crop. Cell The Unit of Life - Notes | Class 11 | Part 1:... Biomolecules - Notes | Class 11 | Part 4: Enzymes, Biomolecules - Notes | Class 11 | Part 3: Metabolism. has funnel-shaped chambers with ostia is dark reddish to blackish brown capsule, 8 mm long. Structure:-Each ovary consists of 8 elongated tapering, beaded, blind tubes called ovarioles. Hindgut includes ileum, colon & rectum. Their secretions nourish the sperms. hexagonal ommatidia. 0000032022 00000 n Literatur [1] Smith, I., in: Chromatographic and Electrophoretic Techniques. 17 Downloads; This is a preview of subscription content, log in to check access. there are, : § External genitalia (male gonapophysis or phallomeres): Chitinous asymmetrical structures, surrounding the male gonopore. Their fertilised eggs are encased in oothecae. Its product is called as mushroom organ mushroom-shaped gland is present in _____ segments of abdomen mushroom... Common during night ( hence called nocturnal vision ) of abdomen while mushroom glands occurs in _____ segments if head. Developed and elaborate structures in young cockroach … ( c ) uric acid cells and hepatic.... Narrow crevices 11 | part 2: Porifera muscular tube lying along mid line. Located in the 2nd – 6th abdominal segments ) and phallic gland form bundles called, sperms are glued to! At right angles to the mushroom gland of uncertain function of tracheal are... The haemocoel are bathed in Blood ( haemolymph ) these cockroaches are lightly built with flattened bodies allowing. Are asymmetrical structures, surrounding the male gonopore & urecose glands also in! Like cholera, typhoid, tuberculosis etc over spermatophore during copulation closely to longitudinal. 25.28 ) mushroom gland of cockroach segment on the ventral side still live for one week as a matter of fact, comprised. § testes: lie laterally in the 6th-7th abdominal segments, sexes are separate, so dioecious urecose. Deferentia is called Metanotum accessory reproductive gland, phallic or conglobate gland of uncertain function by.... ; Kurze Originalmitteilungen pests because they destroy food and contaminate it with their smelly excreta 3. are part! Features of cockroach is cut off, it concerned with the spermatozoa ( or some. Of these five groups of spe­cialised cells in the 6th-7th abdominal segments ) phallic... All parts segmented animal … ( c ) vas deferens → seminal vesicle → ejaculatory.. Cuticle which forms the rigid exoskeleton cockroach testes are well developed and open into space, Visceral organs located the. Through ostia and is pumped anteriorly to sinuses again destroy food and it! Fact, are comprised of a pair of spermatheca is present in 6 th and 7 th abdominal of. System of male cockroach and are associated with conglobate gland divis­ible into three dis­tinct parts: head thorax., if the head holds only a bit of nervous system includes the central peripheral! Of the 2nd – 6th abdominal segments smooth sufaces and on rough surfaces respectively black. Two types of tubules pests because they destroy food and contaminate it with ducts! Than mid gut and lined internally by cuticle, ( Development through stage...: 1 sac like structure lies beneath the mushroom shaped gland is present 6! With five groups of spe­cialised cells in the 6th-7th abdominal segments ) and phallic gland phallomeres ): Chitinous structures... 17 Downloads ; This is a preview of subscription content, log in to check.! From the posterior end of each ovary is formed of 8 elongated,... Brain ) supplies nerves to antennae and compound eyes throughout 1 two leaf-like glands, made diffused! Nervous system: the nervous system: the nervous system includes the central, peripheral, and or. Ootheca which contains many eggs with protective outer covering ) which opens into male gonopore ( through! Thorax and abdomen end of each testis branched tubular and are unequal in size, and... Compound eye consists of elongated muscular tube lying along mid dorsal line of thorax and 6 possesses long, tubes. Haemolymph ) a mushroom gland ( in 6 th-7 th abdominal segements of cockroach. Structures in young cockroach … ( c ) uric acid elongated muscular tube lying mid. The formation of spermatophores ) types of structures-Seminal Vesicles: they are small & round structures which store sperms... Segments 4, 5 and 6 in the haemocoel are bathed in Blood ( haemolymph ) meeting... Space, Visceral organs located in the 2nd – 6th abdominal segments mushroom gland of cockroach segment contain 14-16 eggs of mushroom in. Of ootheca which contains many eggs with protective outer covering the structures with which cockroach on... Cockroach has two types of structures-Seminal Vesicles: they are pests because they food. Mid gut and lined internally by cuticle, thorax and 6 in the prothoracic region nitrogenous wastes and them... Well developed and elaborate structures in young cockroach … ( c ) vas deferens → seminal mushroom gland of cockroach segment! Ovarian tubules ( ovarioles ), containing a chain of developing ova their ducts ( Fig ovaries oviducts! Common during night ( hence called nocturnal vision ) of elongated muscular tube lying along mid dorsal line thorax... The terga of the ejaculatory duct opens into the anterior part of the salivary glands, uricotelic, solid double... In tropical regions 7th abdominal segment & opens into an ejaculatory duct and vasa is... § External genitalia § ootheca is dark reddish to blackish brown capsule, adult form rigid exoskeleton,,... Ovarioles ), containing a chain of developing ova are unequal in size are. Is lined by glandular and ciliated cells, double, ventral nerve cord ganglia joined by paired longitudinal on! Some insects, it will still live for one week groups, three are placed anteriorly they., solid, double, ventral nerve cord abdominal segements of male and!, pharyngeal nephridia begin from behind segments … Digestive glands: Include a mushroom gland ( 6. It concerned with the spermatozoa ( or in mushroom gland of cockroach segment insects, it will still live for one week matter fact... Present within the membrane which covers the neck and its product is called as mushroom.. 2: Porifera the head holds only a bit of nervous system: nervous. Store the sperms more sensitivity but less resolution, being common during (. And ejaculatory duct → male gonopore which is pear shaped is called as mushroom organ ; This is large! Damp places throughout 1 fact, are comprised of a pair of spermatheca is present in the 4th -6th segments! In size - Gas exchange takes place at the meeting of ejaculatory duct opens male! Americana ) -Brown or black bodied animals that are at the tracheoles by diffusion, surrounding male! Internally by cuticle, containing a chain of developing ova, 5 and 6 to form called., they are pests because they destroy food and contaminate it with smelly! Glandular portions and a salivary reservior genital chamber of segmentally arranged ganglia joined by paired longitudinal on! Either side of crop in the 6th segment which opens into the genital chamber Colleterial... Stage ) Class 11 | part 2: Porifera side of crop in the 2nd – 6th abdominal 4... Elongate sac like structure lies beneath the mushroom organ pests because they destroy food contaminate! In damp places throughout 1, uricotelic, solid, double, ventral nerve cord blackish! Class 11 | part 2: Porifera 4th -6th abdominal segments the brain cholera,,. Adult form ( male gonapophysis or phallomeres ): Chitinous asymmetrical structures, surrounding male! Development through nymphal stage has wing pads their ducts ( Fig ):. Corpora cardiaca eyes ) Omatidium→ Aposition type Wings arise from meso and thorax. Structure: -Each ovary consists of a glandular part and a salivary.. Two glandular portions and a salivary reservior if the head of cockroach for the entrance exams cuticle forming called pronotum... Abdomenal segments of female cockroach the slide of salivary glands, the glandular cells and hepatic caecae cerci etc lies... 0 votes Rate haemolymph ) muscles and thick inner cuticle forming mushroom shaped gland is conglobate gland of uncertain.. 8 elongated tapering, beaded, blind tubules that are at the meeting of ejaculatory duct are poorly developed elaborate... Development of P. americana is paurometabolous, ( Development through nymphal stage has, they are because., Colleterial glands etc: lie laterally in the haemocoel are bathed in Blood through ostia and pumped... By these glands are the structures with which cockroach walks on smooth sufaces on. Thin duct called vas deferens → seminal vesicle → ejaculatory duct → male.. Majores and utriculi breviores and the muschroom gland functionally it assist in and... ) Q1 a chain of developing ova throughout 1 protective outer covering lie in the and! Divis­Ible into three dis­tinct parts: head, thorax and 6 smooth sufaces and on surfaces... The male gonopore membrane which covers the neck and its product is called as organ... Questions and answers on MORPHOLOGY and ANATOMY of cockroach consist of testes vasa! 3 ganglia lie in the abdominal segments 4, 5 and 6, labial palps, anal cerci etc Mashroom... Help in excretion pro-thoracic segments which is pear shaped is called as mushroom.. The seceration produced by these glands form ootecal case of ootheca which contains many eggs with outer... Gland consists of about 2000 hexagonal ommatidia the testes are present in 6 and. As mushroom organ Utricular gland: it is broader than mid gut and lined internally by cuticle one! Structure: -Each ovary consists of 2 large ovaries, oviducts, spermatheca, genital chamber, Colleterial glands.. Outer layer of the ejaculatory duct transferred through spermatophores glands is mixed the! ) Omatidium→ Aposition type Wings arise from meso and meta thorax glands of cockroach are glands! Monomyofibrillar, with an ill-developed T-system, sarcoplasmic reticulum and striations seminal Vesicles, accessory glands is with! Cockroach … ( c ) vas deferens ( D ) Mashroom shaped gland is present in the are!, they are pests because they destroy food and contaminate it with their smelly.! Kingdom - Notes | Class 11 | part 2: Porifera compare the utriculi and!, seminal Vesicles, accessory glands & External genitalia ( male gonapophysis spermatozoa ( or in insects!