zona glomerulosa  The topic zona glomerulosa is discussed in the
following articles:  structure of adrenocortical tissue    •
TITLE: adrenal gland     SECTION: Adrenal cortex     ...and the
testes. In adult humans the outer cortex comprises about 90
percent of each adrenal gland. It is composed of three
structurally different concentric zones. From the outside in,
they are the zona glomerulosa, zona fasciculata, and zona
reticularis.