Psychology 2075 Lecture Notes - Lecture 5: Gender Identity, Advantageous, Bisexuality
31 Oct 2014
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Wolffian duct (male: hormonal levels control the development of the ducts ino either the female or male reproductive system, ovaries secrete very little hormones prenatally(cid:224)phenotypic female, testes secrete 2 hormones(cid:224)testosterone and mullerian inhibiting substance (mit, most important influencing factor is presense of androgens, mullerian duct=fallopian tubes, uterus, 2/3 vagina (inner 2/3, wolffian duct=epididymis, vas deferns, seminal vesicles, xx: lack of hormones, default, phenotypic female. Disappearance of wolffian duct: mullerian duct fuses and develops into female internal sexual organs, xy: in presence of androgens and mi, phenotypic male, mis causes mullerian ducts to disappear during 3rd month, testosterone stimulates wollfian duct to develop, external genitalia develop from same prenatal tissue, female(cid:224)driven by hormones in placenta and lack of influence of y chromosome(cid:224)clitoris, outer vagina, labia, males(cid:224)testes secrete dihydrotestosterone (dht), testes descend by 10 th week through inquinal canal(cid:224)penis, scrotum, fully developed by the 12th week.
