Adrenal Gland

What Gland is this?

Adrenal Gland

what is the OUTERMOST layer called?

capsule

What is the outer/first layer of the cortex called

Zona Glomeulosa

What does Zona Glomeulosa produce?

Produces mostly Mineralocorticoids, most importantly Aldosterone

What’s the function of Zona Glomeulosa

help control electrolyte levels in the blood be increasing reabsorption of Na, Cl, and H20

What is the middle of the cortex called

Zona Fasciculta

What does Zona Fasciculta produce?

Produces mostly Glucocorticoids, most importantly Cortisol

What’s the function of Zona Fasciculta

Help regulate blood sugar levels, reduce inflammation, others. Cortisol promotes gluconeogenesis (synthesis of new sugars)

What is the inner layer of the cortex called?

Zona Reticularis

What does the Zona Retiuclaris produce?

Produces mostly Gonadocorticoids, precursors to sex hormones. In the Testes and Ovaries, converted to Testosterone and Estrogen

what is the innermost white circle called?

Adrenal Medulla

What 2 hormones does the adrenal medulla release

Epinephrine (Adrenalin) and Norepinephrine (Noadrenalin)

What’s the function of Epinephrine?

“Fight or Flight” increases heart and respiration rate, pupil dilation, blood sugar levels.

What’s the function of Norepinephrine?

“Fight or Flight” heart stroke volume, sugar mobilization, reduction of digestion activity

What can an overproduction of epinephrine and norepinephrine cause?

Hypertension, heart failure, kidney disease, and stress