interactions between the hypothalamus and the anterior pituitary gland Flashcards

1
Q

what does the hypothalamus hormonally stimulates and what does it release

A

stimulates anterior pituitary and releases its hormones

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2
Q

what type of hormone does the hypothalamus secrete

A

regulatory hormones

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3
Q

what does the anterior pituitary secrete hormones into

A

general circulation

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4
Q

what are the releasing hormones of the hypothalamus

A

thyrotropin releasing hormone TRH

prolactin releasing hormone PRH

gonadotropin releasing hormone GnRH

corticotropin- releasing hormone CRH

growth hormone- releasing hormone GHRH

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5
Q

what are the inhibiting hormones of the hypothalamus

A

prolactin inhibiting hormone PIH

growth inhibiting hormone GIH

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6
Q

what are the hormones of the anterior pituitary

A

thyroid stimulating hormone TSH thyrotropin

prolactin PRL

adrenocorticotropic hormone ACTH –corticotropin

gonadotropins: follicle-stimulating hormone FSH and luteinizing hormone LH

Growth hormone GH somatotropin

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7
Q

what triggers thyroid stimulating hormone

A

TRH from hypothalamus

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8
Q

what does thyroid stimulating hormone causes the release of

A

thyroid hormone TH from the thyroid gland

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9
Q

what triggers prolactin release and what inhibits it

A

triggered by PRH

inhibited by PIH from the hypothalamus

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10
Q

what does prolactin cause

A

milk production

mammary gland growth in females

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11
Q

what causes the release of adrenocorticotropic hormone

A

release triggered by CRH from hypothalamus

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12
Q

what does adrenocorticotropic hormone causes the release of

A

corticosteroids by adrenal cortex

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13
Q

what triggers the release of gonadotropins

A

GnRH from hypothalamus

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14
Q

what does gonadotropins do in females

A

regulate ovarian development and secretion of estrogen and progesterone

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15
Q

what does gonadotropins do in males

A

sperm development and secretion of testosterone

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16
Q

what does growth hormone causes the liver to release

A

insulin-like growth factors 1 and 2 IGFs

17
Q

how does GH and IGFs function

A

synergistically

18
Q

why does the GH and IGFs function synergistically

A

to stimulate cell growth and division