medulla - Answers releases catecholamines - epinephrine (adrenaline) and norepinephrine*
what are functions of the medulla? - Answers - Epinephrine released in "fight or flight"
- Regulate metabolic pathways to promote use of stored fuels to meet caloric needs
- Induce release of fatty acids, increase metabolic rate, and elevate blood glucose
cortex - Answers - assists body response to stress
- Functioning adrenal cortex necessary for body functioning and life
what 3 hormones does the cortex secrete? - Answers Glucocorticoid - mainly cortisol*
Mineralocorticoid - mainly aldosterone*
Sex hormones - mainly androgens
why doe we need a functioning adrenal cortex? - Answers Without adrenal cortex function body
would experience severe stress leading to circulatory failure and shock
what is the adrenal cortex controlled by? - Answers ACTH from anterior pituitary (hypothalamis)
what are the 2 hormones of the medulla? - Answers epinephrine and norepinephrine
Glucocorticoid (corticosteroids): use - Answers - suppress inflammatory response and allergic
responses**
- glucose metabolism
- metabolism of all body organs
Glucocorticoid (corticosteroids): AEs - Answers hyperglycemia, osteoporosis, GI ulcer, muscle
wasting, poor wound healing
Mineralocorticoid (aldosterone): action - Answers - acts on renal tubule and GI to increase
sodium reabsorption to blood*
- Major effect on electrolyte metabolism
what is pheochromocytoma? - Answers - tumor of adrenal medulla*
- Rare, benign
- Fetal if not treated (cured w surgery)
- High incidence in family members