Flashcards in Endocrinology Lecture 2 Deck (20):
1
what do somatotrophs do?
release hGH
2
what is somatostatin?
growth hormone inhibiting hormone
3
growth hormone can also have an impact on
blood glucose
4
what is a somatomedin?
insulin like growth factor
5
where are IGF's made?
liver, skeletal muscle, cartilage, bone
6
what do IGF's do?
increase amino acid uptake by cells
increase lipolysis
decrease glucose uptake of body cells
decrease break down of proteins
7
what hormone can break down protein?
cortisol in excess
8
what can trigger release of GHRH?
low blood sugar
9
what will cause a release of GHIH?
high blood sugar
10
how would stress impact hGH?
increase (need sugar to go to the brain and body)
11
what do sex hormones promote?
growth hormone
12
which cells carry out PT activity?
chief cells
13
what are the functions of PTH?
increase blood calcium level
increases formation of calcitriol (active form of vitamin D)
decrease blood phosphate level
14
is hypothalamus part of the parathyroid pathway?
no
15
which cells make calcitonin in the thyroid?
parafollicular cells
16
where is pancreas located?
retroperitoneal
17
what do beta cells produce?
insulin
18
what do alpha cells produce?
glucagon
19
what is the role of the pineal gland?
melatonin
20