Reproductive System

Reproductive System - Reproductive System EXSS 175 Anatomy...

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Unformatted text preview: Reproductive System EXSS 175 - Anatomy Gonads Produce gametes Secrete sex hormones Ducts Store gametes Transport gametes Accessory sex glands Protect gametes Facilitate gamete movement Supporting structures Assist delivery and joining of gametes Growth of fetus Reproductive System • Male – Gonads: testes (sperm) – Ducts: • Epididymis • Ductus deferens • Ejaculatory ducts • Urethra – Accessory sex glands • Seminal vesicles • Prostate • Bulbourethral glands – Supporting structures • Penis • Scrotum • Female – Gonads: ovaries (ova) – Ducts: • Uterine (fallopian) tubes – Accessory sex glands • Mammary glands – Supporting structures • Uterus • Vagina • Vulva Reproductive System Loose skin and superficial fascia Supports testes Raphe: median ridge externally Scrotal septum: internally divides scrotum Cremaster muscle: “suspender” Continuation of internal oblique muscle Regulates temperature Scrotum 2 inches long & thick Develop near kidneys Descend through inguinal canal Cryptorchidism “crypt”: hidden 3% full-term babies 30% premature babies Testes Tunica vaginalis: serous membrane Tunica albuginea: Dense irregular connective tissue Internal to tunica vaginalis Divides testis into lobules 200-300 lobules = 1-3 seminiferous tubules Testes “Seed” “To carry” Site of spermatogenesis Leydig cells Between seminiferous tubules Secrete testosterone Seminiferous Tubules Seminiferous tubules Straight tubules Rete testis Coiled series of efferent ducts Ductus epididymus • Male – Gonads:...
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This note was uploaded on 11/16/2011 for the course EXSS 175 taught by Professor Zinder during the Fall '08 term at UNC.

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Reproductive System - Reproductive System EXSS 175 Anatomy...

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