Adrenal Cortex hormones

Question 1

where are the adrenal glands located?

Answer 1

on top of the kidneys… they are separated into the adrenal cortex and the adrenal medulla. the adrenal cortex is the outside portion of the gland and the medulla is the inside portion

Question 2

Hormones of the adrenal cortex

Answer 2

cortex secretes only steroid hormones… there are two types… mineral corticoids and glucocorticoids.
there are many of them the major mineral corticoid is aldosterone and the major glucocorticoid is the cortisol

Question 3

What is the major mineral corticoid hormone secreted from the adrenal cortex?

Answer 3

aldosterone: STEROID!
inc the Na and Cl reabsorption and it will dec the K+ and H+ secretion in the collecting tubule of kidney
eventually will result in inc blood pressure. ( secondary effect)

Question 4

what is the main glucocorticoid hormone that is released from the adrenal cortex?

Answer 4

cortisol : inc blood plc levels by gluconeogenesis in the liver. it also breaks down fat cells
cortisol is a stress hormone
it will diminish the capacity of the immune system to fight infection

Question 5

what hormones does the adrenal medulla produce?

Answer 5

catecholamines! : epinephrine and norepinephrine - these are vasoconstrictors of most internal organs and skin, but they are vasodilators of muscle tissue - consistent with fight or flight . these are also considered stress hormones