Hypothalamic Sexual Differentiation Flashcards
where is the hypothalamus located
in front and below thalamus
what is the center of the brain
thalamus
what is considered the control center
hypothalamus
cluster of neurons
hypothalamic nuclei
what 3 nuclei directly influence reproduction
- surge center
- tonic center
- paraventricular nucleus (PVN)
what are jobs of the other hypothalamic nuclei
control
- growth
- stress responses
- temp regulation
- water balance
- sleep
- emotions
what nuclei are generally the same in males and females
PVN and tonic center
what do females require that males don’t
surge center
what eliminates the surge center
estradiol
where do females produce estradiol
ovaries
what prevents the masculinization of the female hypothalamus
a-Fetoprotein (a-FP)
what is a-FP
glycoprotein which binds to estradiol and prevents it from reaching brain
what does not mind to testosterone
a-FP
