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27 terms

BIO 105--Ch. 10 Endocrine System

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hypothalamus
below thalamus in brain; makes releasing hormone GHRH
pituitary
in brain; "master gland"
thyroid
anterior side of neck; largest endocrine organ; makes T3 and T4 , and calcitonin
parthyroid
4 glands on posterior part of thyroid; makes PTH
adrenal cortex
superior part of kidney; outer part; makes cortisol & aldosterone
adrenal medulla
superior part of kidney; inner part; makes sympathomimetic "fight or flight" hormones epinephrine & norepinephrine (adrenaline)
pancreas
upper abdomen; makes glucagon and insulin; also is and "exocrine" gland=digestion
islets of Langerhans
hormone producing cells in pancreas
glucagon
increase blood glucose
insulin
decrease blood glucose
ovaries
female reproductive system; makes estrogen & progesterone
testes
male reproductive system; make testosterone
FSH, LH (anterior pituitary)
stimulates ovaries and testes
GH (anterior pituitary)
growth hormone stimulates growth of bones and organs
ACTH (anterior pituitary)
stimulates adrenal cortex --> cortisol
prolactin (anterior pituitary)
milk production
oxytocin (posterior pituitary)
uterine contractions and milk let-down
ADH (posterior pituitary)
"anti-diuretic hormone"-- increases H2O reabsorbtion by kidneys, helps body retain water
TSH
stimulates thyroid to produce calcitonin and T3 & T4
calcitonin
decreases blood Calcium
T3 and T4
increases metabolism
cortisol
anti-inflammation & helps make energy
estrogen
female reproductive functions
testosterone
male reproductive functions
PTH
increases calcium
epinephrine/norepinephrine
for "fight or flight" responses (sympathomimetic)
aldosterone
increases reabsorbtion of sodium (Na+) by kidneys