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We have got to be mature like cheddar used in this delicious snack

Paper Time. We have got to be mature like cheddar used in this delicious snack. Female Reproductive system. Male Reproductive System . Reproduction . Primary Sex Organs vs. Accessories. Primary makes gametes Accessories include ducts, genatalia glands.

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We have got to be mature like cheddar used in this delicious snack

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  1. Paper Time We have got to be mature like cheddar used in this delicious snack

  2. Female Reproductive system Male Reproductive System Reproduction

  3. Primary Sex Organs vs. Accessories • Primary makes gametes • Accessories include • ducts, • genatalia • glands

  4. Lets start with the easy stuff 1st • Testicles • Penis • Seminal Vesicles • Epididymis • Vas Deferens • Ejaculatory Duct • Prostate Gland • Bulbourethralgland • Leydig Cell • Sertoli Cell

  5. Mitosis vs Meiosis review • Meiosis • Mitosis

  6. Describe Structure and Function of the gonads and accessories • Testicles • Penis • Seminal Vesicles • Epididymis Seminiferous Tubules • Vas Deferens • Ejaculatory Duct • Prostate Gland • Bulbourethralgland Chapter 27

  7. Spermatogenesis • Starts with 1 “spermatocyte” • Primary germ line • End up with 4 spermatids • How many chromosomes are in 1 spermatocyte? • How many chromosomes are in 1 spermatid?

  8. This meiosis happens in seminiferous tubules

  9. Seminiferous tubules • Lumen surounded by Sertoli Cells • Help maintain liquid environment of lumen for sperm to develop • Prevent blood from traveling to lumen

  10. Gap Junctions of sertoli cells • Mitosis of primary spermatocye happens above gap junction • Meiosis happens below gap junction between cell membranes

  11. Hormones involved • Sertoli cells release messengers in response • Testosterone (T) • Follicle Stimulating Hormone (FSH) • Luetenizing Hormone (LH) • Gonadotrpoin Releasing Hormone (GnRH)

  12. Leydig Cells • The ones that generate and release Testosterone (T) • T essential for proliferation and differentiation of sperm

  13. Hypothalamus – Pituitary Gland

  14. Quick write: How does the hypothalamus affect the testis?

  15. Spermatogenesis • Must be cooler than body temperature

  16. Erectile Tissue

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