SFOS 81

Card Set Information

Author:
zf2010
ID:
90536
Filename:
SFOS 81
Updated:
2011-06-13 21:30:36
Tags:
Embryology Puberty
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Description:
SFOS 81
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  1. Types of sex classification
    • Gonadal sex
    • Somatic sex
    • Phenotypic sex
    • Psychologic sex
  2. Describe the two genital ducts and their maturation
    • Y chromosome stimulates testis formation - releases testosterone and mullerian inhibiting substance
    • Causes males to have Wolffian developent, Mullerian regression
    • Without androgen synthesis, females have mullerian development and Wolffian regression
  3. What stimulates testis production of testosterone?
    • Human chorionic gonadotropic (HCG)
    • Secreted by placenta
  4. What secretes Mullerian inhibiting substance?
    Fetal sertoli cells of the testis
  5. What determines sex of hypothalamus?
    • Influence of androgens
    • Prevent the cyclic release of gonadotropins which eventually regulates female menstrual cycle
    • Irreversible differentiation
  6. What causes puberty?
    • Increase in the set point for gonadotropin inhibition by sex steroids
    • Resulting increase in gonadotropin release

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