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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

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
gland has distinct cortex & medulla
adrenal
26
most similar to a sympathetic ganglion
adrenal medulla
27
- organized into follicles lined by simple cuboidal epithelial cells - containing stored hormone precursor
thyroid
28
embedded with serous acinar exocrine gland
pancreatic islets
29
arranged into cords around large capillaries or sinusoids
- parathyroid - adenohypophysis - adrenal cortex - pancreatic islets - EXCEPT; adrenal medulla
30
zone of parallel cords or fascicles (zone fasciculata)
adrenal cortex
31
pancreatic alpha cells secrete
glucagon
32
pancreatic beta cells secrete
insulin
33
pancreatic delta cells secrete
somatostatin
34
pancreatic PP cells secrete
pancreatic polypeptide
35
secretes steroid hormones
adrenal cortex
36
does not secrete steroid hormones
parathyroid
37
calcitonin is secreted by
thyroid parafollicular cells
38
epinephrine & norepinephrine are secreted by
cells of adrenal medulla
39
aldosterone is secreted by
adrenal cortex
40
estrogen & progesterone are secreted by
ovary
41
- osteoclasts is stimulated - increasing blood calcium levels --secretion from?
parathyroid
42
- osteoclasts is inhibited - decreased blood calcium levels --secreted from?
thyroid parafollicular cells (C cells)
43
permeability of renal collecting duct cells is increased by secretion from
neurohypophysis
44
reabsorption of sodium by renal tubules is regulated by secretion from
adrenal cortex
45
zones of adrenal cortex (capsules towards medulla)
- zona glomerulosa - zona fasciculata - zona reticularis (go find rex, make good sex)
46
- smooth muscles of uterus - myoepithelial cells of mammary gland --contract in response to secretion from
neurohypophysis
47
endocrine secretions by hepatocytes include
- serum albumins - angiotensinogen - fibronogen - glucose from glycogen breakdown --ALL OF THE ABOVE
48
- target cells stimulated by angiotensin - after formation from angiotensinogen is catalyzed by renin from renal juxtaglomerular cells --found?
adrenal cortex

Histology (10 decks)

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