called the adrenal cortex (bark or outer). The cortex has three indistinct
layers: the zona glomerulosa (glé—mir’fi—lés—i), the zona fasciculata
(fa—sik'fi-li—ti), and the zona reticularis (re—tik'fl-lér'is). The medulla
and the three layers of the cortex are structurally and Functionally spe~
Cialized- In many ways, an adrenal gland is {our glands in one.
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