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asc 364 exam 1 questions & answers 2024/2025

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asc 364 exam 1 questions & answers 2024/2025 endocrine - ANSWERSpituitary anterior lobe neuroendocrine - ANSWERSpituitary posterior lobe gonadotropes - ANSWERSspecialized cells on the anterior pituitary lobe that produce hormones that stimulate reproduction 1. GnRH 2. LH 3. FSH - AN...

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  • September 8, 2024
  • 14
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Asc 364
  • Asc 364
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asc 364 exam 1 questions & answers
2024/2025

endocrine - ANSWERSpituitary anterior lobe



neuroendocrine - ANSWERSpituitary posterior lobe



gonadotropes - ANSWERSspecialized cells on the anterior pituitary lobe that produce hormones that
stimulate reproduction



1. GnRH

2. LH

3. FSH - ANSWERSstimulatory protein hormones (3)



hypothalamus - ANSWERSneurons here release GnRH by portal vasculature



GnRH

LH - ANSWERSevery pulse of ______ generates a pulse of _____ to travel down and stimulate the gonad



inhibin - ANSWERSproduced hormone that specifically inhibits FSH



steroid - ANSWERShormones derived from cholesterol (27 carbon structure)

-as these are produced, they are released



protein - ANSWERShormones stored until they are needed



StAR protein - ANSWERStransports cholesterol to correct place (inner mitochondrial membrane) to begin
to make steroid hormones

, GnRH

LH FSH - ANSWERShypothalamus > (hormone) > anterior pituitary > (hormones) > testis/ovaries



1. denovo synthesis (produce its own)

2. stored in form of cholesterol

3. bound to high or low density lipoproteins - ANSWERSpotential sources of cholesterol (3)



COX 2 - ANSWERSinducible form of cycooxygenase

-when you need a lot of prostaglandins

-converts arachidonic acid from PGG2 to PGH2



1. EP1

2. EP2

3. EP3

4. EP4 - ANSWERSreceptors that bind to PGE2 (4)



1. PGI2

2. PGD2 (immune functions)

3. PGE2

4. PGF2a (basoconstrictive) - ANSWERSPGH2 can be converted to (4)



LH - ANSWERSdrives testosterone



seminiferous tubules - ANSWERSmature sperm produced directly to lumen

-specific location of meiosis

-contain sertoli cells



sertoli cells - ANSWERSnourish sperm; respond to FSH

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