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Endocrine > Anterior pituitay > Flashcards

Anterior pituitay Flashcards

1
Q

What does GnRH do

A

stimulate LH and FSH

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2
Q

What does dopamine do

A

inhibit PRL

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3
Q

What does Thyrotropin releasing hormone do

A

stimulate TSH

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4
Q

what does somatostatin do

A

inhibits GH

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5
Q

What does CRH (corticotropin releasing hormone) do

A

Stimulates ACTH

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6
Q

What is the only strictly inhibitory hormone

A

Dopamine inhibits prolactin

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7
Q

What is FSH

A

Follicle stimulating hormone

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8
Q

What is LH

A

luteinizing hormone

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9
Q

What is prolactin

A

protein produced by acidophils of pituitary
Mammary gland development
Milk production

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10
Q

What is TSH

A

Thyroid stimulating hormone

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11
Q

What is PRL

A

Prolactin

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12
Q

What is GH

A

Growth hormone (somatotropin)

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13
Q

What is ACTH

A

adrenocorticotropin hormone

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14
Q

What is one key difference between prolactin (besides being inhibited by dopamine) and other hormones

A

concentrations change during life

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15
Q

What induces prolactin

A

Suckling

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16
Q

What does prolactin target

A

milk formation in milk producing cells

17
Q

What does oxytocin act on

A

muscle cells

18
Q

What happens when too much prolactin is produced

A

Hyperprolactinemia
tumor of adenopypophysis sometimes
Can treat with dopamine like drug

19
Q

What are examples of glycoprotein hormones

A

FSH, LH,TSH

20
Q

What is common for all glycoprotein hormones

A

Alpha subunit

21
Q

What is unique to each glycoprotein hormone

A

beta subunit

22
Q

What do gonaotropins do

A

regulate reproductive tract

23
Q

What does FSH stimulate

A

Granulosa cells

24
Q

What does LH stimulate

A

theca, ovulation, corpus luteum

25
Q

What does estradiol and progesterone do to the hypothalamus and pituitary glands

A

Negative feedback to reduce the amount of GnRH produced which lowers the amount of LH and FSH produced

26
Q

What does anterior pituitary produce

A 
FSH, LH-Repro
TSH-Thyroid
PRL-Lactation
GH-Growth hormone
ACTH- adrenocorticotropic
27
Q

What does GHRH do

A

stimulates growth hormone

Endocrine (18 decks)

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