Endocrinology Lecture 2 Flashcards Preview

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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

what does atrial natriuretic hormone do?

decrease blood volume
-dump sodium and water into the urine

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