17.9- Adrenal glands

Question 1

What is the adrenal medulla made of?

Answer 1

Nervous tissue.

Question 2

What is the adrenal cortex made of?

Answer 2

Hormone producing cells.

Question 3

How many corticosteroids are made by the adrenal cortex?

Answer 3

more than 25.

Question 4

What are the zones of the adrenal cortex?

Answer 4

Zona glomularosa- Outer cortical layer composed of dense spherical clusters of cells. This area synthesizes mineralocorticoids for electrolyte regulation. I.E. Aldosterone- regulates levels of Na+ and K+.

Zona faciculata- middle layer and latest region. Makes cortisol and corticosterone released in response to ACTH.

Zona reticularis- narrow band of small branching cells. Secrete small amounts of gonatocorticoids- sex hormones.
Male version: androgens

Question 5

What effects cortisol levels?

What are the effects of cortisol?

Answer 5

Time of day
Stress
Increase nutrient levels in blood.