256. Adenal Gland Flashcards
1
Q
Describe the structure out the adrenal gland?
A
Outer medulla- produces catecholamines (epinepherine)
Inner cortex
Zona reticularis - sex hormones
Zona fasiculata- glucocorticoids
Zona glomerulosa- aldosterone
2
Q
What are the actions of cortisol on glucose metabolism?
A
Gluconeogenesis
Proteolysis
Lipolysis
Decrease in insulin sensitivity
3
Q
What other actions do cortisol have?
A
Negative effects on calcium balance
Impairment of mood and cognition
Permissive effects of norepinephrine
Suppression of the immune system
4
Q
What is the action of aldosterone?
A
Promotes reabsorbtion of sodium and release of potassium
5
Q
Describe the structure of the medulla?
A
Modified sympathetic ganglion, release neurohormones into the blood
