Lab 13 Student Note Outline

Lab 13 Student Note Outline - Lab 13 Anatomy of the...

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Lab 13 Anatomy of the Reproductive System and Physiology of Reproduction: Gametogenesis and the Female Cycles Exercises 42 and 43 A. Gross Anatomy of the Human Male Reproductive System 1. Scrotum (and cremaster muscle) - spermatic cords 2. Testes a. Tunica Albuginea b. Seminiferous Tubules - spermatogenesis (see exercise 43) Meiosis c. Interstitial Cells (cells of Leydig) testosterone d. Sertoli Cells (sustentacular cells) e. Straight Tubules f. Rete Testis g. Efferent Ductules h. Inguinal Canal 3. Epididymis (maturation of the sperm) 4. Ductus Deferens (vas deferens) - ampulla of the ductus deferens 5. Ejaculatory Duct 6. Urethra a. Prostatic Urethra b. Membranous Urethra c. Spongy/Penile Urethra d. Urethral Orifice 7. Penis a. Glans Penis b. Prepuce/Foreskin c. Corpora Cavernosa (2 lateral portions) d. Corpus Spongiosum (1 midventral portion) 8. Semen a. Sperm (5% of semen) 1) Structure a) Head (with acrosome and nucleus) b) Midpiece (mitochondria) c) Tail (flagellum) 2) Production (300-500 mill./day) 3) Characteristics (best in alkaline medium, 1-4 mm/minute travel, live in female genital tract 1-3 days) b. Seminal Fluid and the Accessory Glands - pH is about 7.5 and 3-4 ml 1) Seminal Vesicles (60% of semen, mucoid consistency, fructose, prostaglandins, fibrinogen)
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Lab 13 Student Note Outline - Lab 13 Anatomy of the...

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