Important points in physiology

Important points in physiology

1.Adrenal cortex is divided into

Zona glomerulosa (outermost)
Zona fasciculata (middle)
Zona reticularis (inner)

Glomerulosa secretes mineralocorticoids mainly aldosterone

Fasciculata secretes glucocorticoids mainly cortisol

Reticularis secretes androgen mainly DHEA

2. Absorption site

IRON : duodenum
CALCIUM: jejunum
FOLATE : jejunum
VIT B12 : terminal ileum
BILE SALTS :terminal ileum