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Endo/Repro > Hormones > Flashcards

Hormones Flashcards

1
Q

thyrotropin-releasing hormone (TRH)

A

gland of origin- hypothalamus

chemical class- peptide

major actions- stimulate secretion of TSH and prolactin

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2
Q

corticotropin-releasing hormone (CRH)

A

gland of origin- hypothalamus

chemical class- peptide

major actions- stimulates secretion of ACTH

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3
Q

gonadotropin-releasing hormone (GnRH)

A

gland of origin- hypothalamus

chemical class- peptide

major actions- stimulates secretion of LH and FSH

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4
Q

somatostatin or somatotropin release-inhibiting hormone (SRIF)

A

gland of origin- hypothalamus

chemical class- peptide

major actions- inhibits secretion of growth hormone

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5
Q

dopamine or prolactin-inhibitng factor (PIF)

A

gland of origin- hypothalamus

chemical class- amine

major actions- inhibits secretion of prolactin

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6
Q

growth hormone-releasing hormone (GHRH)

A

gland of origin- hypothalamus

chemical class- peptide

major actions- stimulates secretion of growth hormone

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7
Q

thyroid-stimulating hormone (TSH)

A

gland of origin- anterior pituitary

chemical class- peptide

major actions- stimulates synthesis and secretion of thyroid hormones

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8
Q

follicle-stimulating hormone (FSH)

A

gland of origin- anterior pituitary

chemical class- peptide

major actions- stimulates sperm maturation in Sertoli cells of testes, stimulates follicular development and estrogen synthesis in ovaries

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9
Q

Luteinizing hormone (LH)

A

gland of origin- anterior pituitary

chemical class- peptide

major actions- stimulates testosterone synthesis in Leydig cells of testes, stimulates ovulation, formation of corpus luteum, estrogen and progestorone synthesis in ovaries

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10
Q

growth hormone

A

gland of origin- anterior pituitary

chemical class- peptide

major actions- stimulates protein synthesis and overall growth

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11
Q

prolactin

A

gland of origin- anterior pituitary

chemical class- peptide

major actions- stimulates milk production and secretion in breast

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12
Q

Adrenocorticotropic hormone (ACTH)

A

gland of origin- anterior pituitary

chemical class- peptide

major actions- stimulates synthesis and secretion of adrenal cortical hormones (cortisol, androgens, and aldosterone)

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13
Q

melanocyte-stimulating hormone (MSH)

A

gland of origin- anterior pituitary

chemical class- peptide

major actions- stimulates melanin synthesis (?humans)

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14
Q

oxytocin

A

gland of origin- posterior pituitary

chemical class- peptide

major actions- stimulates milk ejection from breasts and uterine contractions

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15
Q

vasopressin or antidiuretic hormone (ADH)

A

gland of origin- posterior pituitary

chemical class- peptide

major actions- stimulates water reabsorption in principal cells of collecting ducts and constriction of arterioles

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16
Q

triiodothyronine (t3) and L-thyroxine (t4)

A

gland of origin- thyroid

chemical class- amine

major actions- stimulates skeletal growth, oxygen consumption, heat production, protein, fat, carbohydrate utilization, perinatal maturation of the central nervous system

17
Q

calcitonin

A

gland of origin- thyroid

chemical class- peptide

major actions- decreases serum [Ca2+]

18
Q

parathyroid hormone (PTH)

A

gland of origin- parathyroid

chemical class- peptide

major actions- increases serum [Ca2+]

19
Q

cortisol (glucocorticoid)

A

gland of origin- adrenal cortex

chemical class- steroid

major actions- stimulates gluconeogenesis, inhibits inflammatory response, supresses immune response, enhances vascular responsiveness to catecholamines

20
Q

aldosterone (mineralcorticoid)

A

gland of origin- adrenal cortex

chemical class- steroid

major actions- increases renal Na+ reabsorption, K+ secretion, H+ secretion

21
Q

dehydroepiandrosterone (DHEA) and androstenedione (adrenal androgens)

A

gland of origin- adrenal cortex

chemical class- steroid

major actions- stimulates spermatogenesis, stimulates male secondary sex characteristics

22
Q

testosterone

A

gland of origin- testes

chemical class- steroid

major actions- stimulates spermatogenesis, stimulates male secondary sex characteristics

23
Q

estradiol

A

gland of origin- ovaries

chemical class- steroid

major actions- stimulates growth and development of female reproductive system, follicular phase of menstrual cycle, development of breasts, prolactin secretion, maintains pregnancy

24
Q

progesterone

A

gland of origin- ovaries

chemical class- steroid

major actions- stimulates luteal phase of menstrual cycle, maintains pregnancy

25
Q

estradiol and progesterone

A

gland of origin- corpus luteum

chemical class- steroid

major actions- stimulates growth and development of female reproductive system, follicular phase of menstrual cycle, development of breasts, prolactin secretion, maintains pregnancy

26
Q

human chorionic gonadotropin (HCG)

A

gland of origin- placenta

chemical classification- peptide

major actions- stimulates estrogen and progesterone synthesis in corpus luteum of early pregnancy

27
Q

human placental lactogen (hPL) or human chorionic somatomammotropin

A

gland of origin- placenta

chemical classification- peptide

major actions- has growth hormone-like and prolactin-like actions during pregnancy

28
Q

estriol

A

gland of origin- placenta

chemical classification- steroid

major actions- stimulates growth and development of female reproductive system, follicular phase of menstrual cycle, development of breasts, prolactin secretion, maintains pregnancy

29
Q

progesterone

A

gland of origin- placenta

chemical class- steroid

major actions- maintains pregnancy

30
Q

insulin (Beta cells)

A

gland of origin- pancreas

chemical class- peptide

major actions- decreases blood [glucose]

31
Q

glucagon (alpha cells)

A

gland of origin- pancreas

chemical class- peptide

major actions- increases blood [glucose]

32
Q

renin

A

gland of origin- kidney

chemical class- peptide

major actions-catalyzes conversion of angiotensinogen to angiotensin I

33
Q

1,25 dihydroxycholecalciferol

A

gland of origin- kidney

chemical class- steroid

major actions- increases intestinal absorption of Ca2+; bone mineralization

34
Q

norepinephrine, epinephrine

A

gland of origin- adrenal medulla

chemical class- amine

major actions- actions of sympathetic nervous system

Endo/Repro (3 decks)

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