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Animal Reproduction

Conditions for Fertilization. Anatomy of Male

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Animal Reproduction

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    1. Animal Reproduction Extension beyond the Textbook

    2. Conditions for Fertilization Anatomy of Male & Female must be compatible Female must be in Heat Egg must be mature

    3. What is the function of the Male? produce large numbers of live sex cells (spermatozoa) contribute 1/2 chromosomes

    4. What are the Male Reproductive Organs? Testicles - produce spermatozoa & male hormone Testosterone Scrotom - sack which carries testicles functions as a heat regulator Monorchid - one fertile testicle Cryptorchid - both testes remain in body cavity (sterile) Castration - removal of testicles lack sex drive gain weight quicker

    5. What are the Male Reproductive Organs? Epididymis - tube connects to testes storage of spermatozoa (200 billion at a time) spermatozoa mature as they migrate through Vas Deferens - tube connects to epididymus if removed, can't reproduce = vasectomy

    6. What are the Male Reproductive Organs? Urethra - begins at bladder and continues through penis Sigmoid Flexure - "S" shape in urethra allows for extension of penis outside of body for reproduction

    7. Accessory Sex Glands prostate two seminal vesicles two cowpers glands

    8. What is the function of the Accessory Sex Glands? provide medium for transporting sperm adds volume provides nutrients cleans & flushes urinary tract

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