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OSSF II Final Exam 4: Male Reproductive Physiology I - Questions With Correct Answers
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OSSF II Final Exam 4: Male Reproductive Physiology I - Questions With Correct Answers
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OSSF II Final Exam 4: Male Reproductive Physiology I -Questions With Correct Answers
Sertoli cells (sustentacular cells) come from Right Ans - pluripotent
coelomic epithelial cells of the gonadal ridge (cells lining the coelom) )
Sperm come from Right Ans - spermatogonia (germ cells migrated from
yolk sac)
Leydig cells (interstitial cells) come from Right Ans - mesenchyme of
gonadal ridge
what Gonadotropins/Hormones come from the hypothalamus of the brain
Right Ans - GnRH peptide
what Gonadotropins/Hormones come from the anterior pituitary of the brain
Right Ans - gonadotropins like LH and FSH + prolactin
what Gonadotropins/Hormones come from the posterior pituitary of the
brain Right Ans -
what Gonadotropins/Hormones come from testisterone via aromatase of the
brain Right Ans - estrogen
where is the sperm produced Right Ans - seminiferous tubules
what are the three cells of the testes Right Ans - sertoli cells (sustentacular
cells), sperm, and Leydig cells (interstitial cells)
what Gonadotropins/Hormones come from the Leydig/interstitial cells of the
testes Right Ans - testosterone from progesterone
what Gonadotropins/Hormones come from the Sertoli/sustentacular cells of
the testes Right Ans - - Anti-Mullerian hormone (AMH)/Mullerian
inhibiting substance (MIS)
- Inhibin
- Estrogen (from testosterone - produced by Leydig cells)
- Androgen-binding protein (ABP)
, Area of the Brain Involved in Reproduction is located at Right Ans -
base/ventral aspect of brain
Area of the Brain Involved in Reproduction is the Right Ans -
Pituitary/Hypothalamus
what are the important areas of the hypothalamus Right Ans -
•Paraventricular nucleus (PVN)
•"Surge" center
•"Tonic" center
•Anterior pituitary
•Posterior pituitary
what of the hypothalamus is important in the male. Right Ans - the tonic
center
The tonic center of the hypothalamus is important in the male because small
frequent surges of GnRH from the hypothalamus induce the production of
Right Ans - LH which stimulates the production of testosterone
what of the hypothalamus is important in the female Right Ans - The surge
center
The surge center of the hypothalamus is important in the female because a
high amplitude surge of GnRH is necessary to produce a large surge of
Right Ans - LH which is needed for ovulation to occur
Hypothalamus inherently female - will develop the Right Ans - surge center
Testosterone will do what t the hypothalamus during fetal development
Right Ans - defeminizes
Testosterone is produced by fetal Right Ans - testes
Testosterone can pass through the blood-brain barrier to the brain during
Right Ans - development
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