embryology Gametogenesis

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Author:
bradley.knox
ID:
179491
Filename:
embryology Gametogenesis
Updated:
2012-11-07 21:18:23
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embryology Gametogenesis
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Description:
embryology Section 1
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  1. PGC
    Primordial Germ Cells
  2. What are gametes derived from?
    Primordial Germ Cells
  3. Where do the PGC's migrate into before being developed into testies or ovaries
    Indifferent gonads or urogenital ridge
  4. The development of the testies is directed by?
    Sry gene, Testosterone, and Mullerian-inhibiting Factor(MIF)
  5. When does spermatogenesis begin?
    Puberty
  6. When does oogenesis begin?
    Birth
  7. What is a primitive male germ cell called?
    Spermatogonia
  8. What is contained in the Acrosome?
    Contains Enzymes
  9. What part of the spermatozoa stores the haploid nucleus?
    Head
  10. When does oogonia enter meiosis I?
    At birth, stays arrested in meiosis I
  11. When does the primary oocyte finish meiosis I and enter II?
    After puberty
  12. When does secondary oocyte complete meiosis II?
    After fertalization
  13. What protects the oocyte?
    Follicular cells
  14. What are the stages of a follicular cell?
    Primordial follicles, primary follicles, secondary follicles
  15. what does a secondary follicle become after ovulation?
    Corpus Luteum

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