Adrenal Glands A&P Flashcards
are adrenal glands retroperitoneal or intraperitoneal organs?
retroperitoneal
the adrenal glands are controlled by the release of ___________ by the ________
adrenocorticotropic hormone (ACTH) is released by the anterior pituitary gland
the adrenal cortex makes up ____% of the gland
80%
3 layers of adrenal cortex and what they produce
- zona glomerulosa - aldosterone
- zona fasciculata - cortisol
- zona reticularis - androgens
aldosterone regulates ____ by controlling the amounts of ____ and ____ in the body
regulates BP by controlling the amounts of sodium and water in the body
cortisol controls (4)
- body’s use of fat, carbs, and proteins
- blood glucose
- BP
- inflammatory response
androgens have minimal impact on
the development of male characteristics
the adrenal medulla produces hormones that initiate the ______
flight or fight response
________ are released in response to physical or emotional stress
catecholamines
epinephrine aka adrenaline increases (3) and opens ______
- HR
- BP
- blood flow to major muscle groups
opens airways in the lungs
norepinephrine increases (2) and ___
- HR
- BP
contracts blood vessels
3 arteries that supply blood to the adrenal glands
suprarenal branches of the
- inferior phrenic artery
- AO - superior, middle, inferior
- renal arteries
the right suprarenal vein drains into the _____
IVC
the left suprarenal vein drains into the ____
left renal vein
T/F: ultrasound is the best to visualize the adrenal glands in adults
FALSE - CT is best