3.1 The Male Reproductive System
The male reproductive system is located in the pelvis region (Figure 3.1a). It includes a pair of testes alongwith accessory ducts, glands and the external genitalia.
Figure 3.1(a) Diagrammatic sectional view of male pelvis showing reproductive system
The testes are situated outside the abdominal cavity within a pouch called scrotum. The scrotum helps in maintaining the low temperature of the testes (2–2.5o C lower than the normal internal body temperature) necessary for spermatogenesis. In adults, each testis is oval in shape, with a length of about 4 to 5 cm and a width of about 2 to 3 cm. The testis is covered by a dense covering. Each testis has about 250 compartments called testicular lobules
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