Organs Of The Body: Adrenal Gland

WHAT IS IT?

The adrenal is an organ atop the kidneys that is responsible for the synthesis of various important hormones. 

WHAT ARE THE MAJOR PARTS?

The adrenal gland has a few important layers to keep in mind (outlined below):

Anatomy of the adrenal gland (image source)

The cortex is derived form mesoderm tissue. 

The medulla is derived from neural crest cells (ectoderm). 

WHAT HORMONES ARE MADE?

Zona glomerulosa: aldosterone (mineralocorticoids)

Zona fasiculatacortisol (glucocorticoids)

Zona reticularisDHEA (androgens)

Adrenal medulla: epinephrine, norepinephrine (catecholamines) 

 

Page Updated: 05.02.2017