testis structure

How many of the structures given below are found only in male cockroach are pairs? (testis, phallic, mushroom gland, vas deferens, caudal style, collaterial gland, spermatheca, oviduct, anal cercus)

Internal Structure OF Testis (T.S) Leydig Cells Germinal Epithelium OF Testis (Pgs And Sertoli Cells) Hormonal Control OF Male Reproductive System

General Introduction || Primary Sex Organ || Secondary Sex Organ || Male Reproductive System || Internal Structure OF Testis

Internal Structure OF Testis || Accessory Reproductive Glands || Seminal Vesicle || Prostate Gland || Cowper's Gland || Perineal and Rectal Glands

In adult each testis measures

A testis is covered by a dense covering called:

Some cells in testis secrete testosterone and the hormone stimulating such cells are released in blood by