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Histology > Histology Endocrine SIUmed > Flashcards

Histology Endocrine SIUmed Flashcards

1
Q

specialized to secrete steroids contains

A
  • smooth endoplasmic reticulum
  • mitochondria with tubular cristae
  • many lipid droplets
  • well developed Golgi apparatus
  • ALL OF THE ABOVE
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2
Q

secrete peptides or proteins contains

A

extensive rough ER

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3
Q

pituitary which contains cords and clusters of secretory epithelial cells

A

anterior lobe

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4
Q

pituitary contains terminals of axons arising from neuron cell bodies in hypothalamus

A

posterior lobe

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5
Q

adenohypophysis (adeno = glandular)

A

anterior lobe of pituitary

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6
Q

neurohypophysis

A

posterior lobe of pituitary

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7
Q

base of hypothalamus connects with pituitary

A

median eminence and infundibulum

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8
Q

midline within the hypothalamus

A

third ventricle

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9
Q

anterior to hypothalamus

A

optic chiasm

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10
Q

posterior hypothalamus

A

mammillary body

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11
Q

hypophyseal portal vessels bring blood to the adenohypophysis from

A

median eminence of hypothalamus

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12
Q

pituicytes of posterior pituitary

A

glial cells

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13
Q

anterior pituitary secretory cells

A
  • somatotrophs
  • lactotrophs
  • thyrothrophs
  • corticothrophs
  • ALL OF THE ABOVE, ALSO GONADOTROPHS
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14
Q

FSH & LH are secreted by

A

gonadotrophs

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15
Q

TSH is secreted by

A

thyrotrophs

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16
Q

ACTH is secreted by

adrenocorticotrophic hormone

A

corticothrophs

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17
Q

GH is secreted by

A

somatotrophs

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18
Q

prolactin is secreted by

A

lactotrophs

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19
Q

oxytocin is secreted by

A

posterior pituitary

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20
Q

ADH is secreted by

antidiuretic (vasopressin)

A

posterior pituitary

21
Q

melatonin is secreted by

A

pineal

22
Q
  • corticotrophs
  • gonadotrophs
  • lactotrophs
  • somatotrophs
  • thyrotrophs

–found?

A

adenohypophysis

23
Q

cells of adenohypophysis, named according to staining properties rather than hormones, are

A
  • acidophils
  • basophils
  • chromophobes
  • ALL OF THE ABOVE
24
Q

pineal gland

A
  • evolutionarily from medial photoreceptor organ
  • located posterior end of third ventricle
  • innervated by sympathetic axons
  • composed of glial cells and cells (pinealocytes) similar to neurons
  • ALL OF THE ABOVE
25
Q

gland has distinct cortex & medulla

A

adrenal

26
Q

most similar to a sympathetic ganglion

A

adrenal medulla

27
Q
  • organized into follicles lined by simple cuboidal epithelial cells
  • containing stored hormone precursor
A

thyroid

28
Q

embedded with serous acinar exocrine gland

A

pancreatic islets

29
Q

arranged into cords around large capillaries or sinusoids

A
  • parathyroid
  • adenohypophysis
  • adrenal cortex
  • pancreatic islets
  • EXCEPT; adrenal medulla
30
Q

zone of parallel cords or fascicles (zone fasciculata)

A

adrenal cortex

31
Q

pancreatic alpha cells secrete

A

glucagon

32
Q

pancreatic beta cells secrete

A

insulin

33
Q

pancreatic delta cells secrete

A

somatostatin

34
Q

pancreatic PP cells secrete

A

pancreatic polypeptide

35
Q

secretes steroid hormones

A

adrenal cortex

36
Q

does not secrete steroid hormones

A

parathyroid

37
Q

calcitonin is secreted by

A

thyroid parafollicular cells

38
Q

epinephrine & norepinephrine are secreted by

A

cells of adrenal medulla

39
Q

aldosterone is secreted by

A

adrenal cortex

40
Q

estrogen & progesterone are secreted by

A

ovary

41
Q
  • osteoclasts is stimulated
  • increasing blood calcium levels

–secretion from?

A

parathyroid

42
Q
  • osteoclasts is inhibited
  • decreased blood calcium levels

–secreted from?

A

thyroid parafollicular cells (C cells)

43
Q

permeability of renal collecting duct cells is increased by secretion from

A

neurohypophysis

44
Q

reabsorption of sodium by renal tubules is regulated by secretion from

A

adrenal cortex

45
Q

zones of adrenal cortex (capsules towards medulla)

A
  • zona glomerulosa
  • zona fasciculata
  • zona reticularis

(go find rex, make good sex)

46
Q
  • smooth muscles of uterus
  • myoepithelial cells of mammary gland

–contract in response to secretion from

A

neurohypophysis

47
Q

endocrine secretions by hepatocytes include

A
  • serum albumins
  • angiotensinogen
  • fibronogen
  • glucose from glycogen breakdown

–ALL OF THE ABOVE

48
Q
  • target cells stimulated by angiotensin
  • after formation from angiotensinogen is catalyzed by renin from renal juxtaglomerular cells

–found?

A

adrenal cortex

Histology (10 decks)

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