The internal iliac artery give rise to all of the following branches except:
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7%
a. superior gluteal artery.
15%
b. middle rectal artery.
10%
c. internal pudendal artery.
68%
d. ovarian artery.
Which of the following produces ACTH:
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84%
basophils of pars distalis.
13%
acidophils of pars distalis.
4%
chromophobes of pars distalis.
0%
neurosecretory cells of the hypothalamus.
Orange G specifically stains
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8%
chromophobes of pars distalis
5%
pituicytes of pars nervosa.
5%
basophils of pars distalis
82%
somatotrophs of pars distalis.
ACTH stimulates the production of
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82%
cortisol.
5%
androgen from the zona glomerulosa.
3%
aldosterone
10%
adrenaline from chromaffin cells.
The adrenocorticotrophic hormone is secreted from:
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5%
neurohypophysis
78%
adenohypophysis
16%
adrenal cortex.
2%
pars nervosa
The secretion of which one is controlled by hypothalamo-hypophyseal feedback?
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71%
thyroxin.
26%
aldosterone
2%
insulin
2%
calcitonin
Concerning the pars nervosa, it:
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7%
can appear as brain sand.
12%
contains nerve cells.
80%
has axons of hypothalamo-hypophyseal tract.
0%
has portal circulation.
Pituicytes are found in:
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8%
pars distalis.
2%
pars intermedia.
88%
pars nervosa
2%
pars tuberalis.
The posterior pituitary:
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77%
contains pituicytes, herring bodies and axons.
2%
has a portal blood supply
4%
contains nerve cells.
17%
form oxytocin & vasopressin.
16. Pituicytes:
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10%
a. produce vasopressin.
2%
b. produce prolactin.
82%
c. a type of glial cell.
6%
d. found in pars distalis.
17. The hypothalamus is connected with pars nervosa via ........
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96%
a. hypothalamo-hypophyseal tract.
2%
b. adenohypophysis.
2%
c. pars tuberalis
0%
d. adrenal medulla.
18. Oxytocin is synthesized in:
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5%
a. pars nervosa.
50%
c. hypothalamus
0%
b. pars intermedia.
45%
d. supraoptic & paraverticular nuclei.