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(a) How many sclerites cover each abdomi...

(a) How many sclerites cover each abdominal segment in cockroach ? Name them.
(b) How many terga and sterna are there in the abdomen of cockroach ?
(c) How many sterna are visible in the male and female abdomen of cockroach ? What is the role of 7th , 8th and 9th abdominal sterna in female cockroach?

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(a) Each abdominal segment is covered with 4 sclerites :dorsal tergum, ventral sternum and two lateral pleura.
(b) There are 10 terga and nine sterna in the abdomen of cockroach . Tenth sternum is absent.
(c) In the male , all the nine sterna is visible . However, in the female only first sterna are visible .7th , 8th, 9th sterna together form a blood pouch.
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