In this article we will discuss about the reproductive system of cockroach. 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. (i) Testes: There is a pair of three-lobed testes lying dorsolaterally in the 4th and 5th abdominal segments, [...]
Reproductive System of Pheretima (Earthworm)! Male Reproductive Organs of Earthworm: The male reproductive organs consist of testes, testis sacs, seminal vesicles, vasa deferentia, prostate glands and accessory glands. Testes and Testis Sacs: The testes are two pairs, very minute, whitish and lobed structures situated one pair each in segment 10th and 11th found attached with the posterior surface of 9/10 [...]
Human Reproductive System: Male and Female Reproductive System! Changes in the human body: When a baby begins to grow, the different parts of its body such as the head, arms, legs and chest grow at different rates. For about the first 12 years of its life it goes through a phase of body enlargement and mental development. During this phase [...]