adrenal gland hormones Flashcards
what is aldosterone’s class and site of synthesis
mineralcorticoid
zona glomerulosa of adrenal cortex
what is noradrenaline class and site of synthesis
catecholamine
adrenal medulla
what is adrenaline class and site of synthesis
catecholamine
adrenal medulla
what triggers RAAS
decrease in blood pressure or Na cause renin release
where is angiotensiogen produced
liver
what converts angiotensin I to angiotensin II
ACE
when aldosterone is released what effect does it have
increases Na reabsorption and K excretion to increase blood pressure
elevated ________ levels in blood also can stimulate aldosterone secretion
potassium
which pituitary hormone can stimulate aldosterone
ACTH
aldosterone location of action
DCT and collecting ducts
what type of receptors do aldosterone bind to
mineralcortiocoid receptors
what type of genes do aldosterone promote transcription of
Na/K ATPase pump and ENaC
Which adrenoceptor subtype is primarily responsible for vasoconstriction in smooth muscles?
a1
Which adrenoceptor subtype is primarily responsible for inhibiting norepinephrine release?
a2
Which adrenoceptor subtype is primarily responsible for increasing heart rate and contractility?
B1
