Normal A&P Review of Adrenal, ADH, and Thyroid Flashcards
where is the pituitary gland located?
beneath the hypothalamus at the base of the skill
what are the two lobes of the pituitary gland?
Anterior and Posterior
synthesis and secretion of pituitary hormones are controlled by the
hypothalamus
the anterior lobe secretes how many hormones?
6, including TSH and ACTH
the posterior lobe secretes what 2 important hormones?
Antidiuretic (vasopressin)
oxytocin
when is ADH released?
in response to high serum osmolality and/or hypotension
what is the function of ADH?
causes water retention via action in the kidneys
ADH stops what
the pee pee
where are the adrenal glands located
on top of kidneys, each composed of inner medulla and outer cortex
the adrenal medulla secretes
epi and norepi (fight or flight)
in response to ACTH the adrenal cortex secretes
glucocorticoids (cortisol)
mineralocorticoids (aldosterone)
sex steroids (androgen)
sugar, salt, sex
what is the principle hormone in glucocorticoids
cortisol
what are the functions of glucocorticoids (cortisol)
raising blood sugar protects against stress suppress inflammatory and immune processes release muscle stores of proteins increase blood cholesterol
what is the principle mineralcortcoids
aldosterone
what does aldosterone regulate?
renin-angiotensin system in kidneys