The Reproductive Syste7

The Reproductive - and interstitial cells o During development the testes pass from the abdominal cavity through the inguinal canal to the scrotum

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The Reproductive System Functions of the Reproductive System The male reproductive system produces sperm cells, provides nutrients for the sperm cells and secretions, transfers the sperm cells to the female, and makes male sex hormones. The female reproductive system produces female sex cells, receives sex cells from the male, provides nourishment for the developing infant before and after birth, and produces female sex hormones. Formation of Sex Cells The reproductive organs in males and females produce sex cells by meiosis. Male Reproductive System Scrotum o The scrotum is a two-chambered sac that contains the testes. o The dartos and cremaster muscles help to regulate testes temperature. Testes o The testes are divided into lobules containing the seminiferous tubules
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Unformatted text preview: and interstitial cells. o During development the testes pass from the abdominal cavity through the inguinal canal to the scrotum. Spermatogenesis o Spermatogenesis begins in the seminiferous tubules at the time of puberty. o Sperm cells are produced in the seminiferous tubules. Germ cells divide (mitosis) to form primary spermatocytes. Primary spermatocytes divide by meiosis to produce sperm cells. Sertoli cells nourish the sperm cells and produce small amounts of hormones. o Spermatids develop a head, midpiece, and flagellum to become a sperm cell. The head contains the acrosome and the nucleus....
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This note was uploaded on 12/04/2011 for the course ANTHRO 2000 taught by Professor Monicaoyola during the Fall '10 term at Broward College.

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