The most superficial layer of the adrenal cortex, lying directly beneath the adrenal gland's capsule, and responsible for producing and secreting the mineralocorticoid aldosterone into the blood as part of the renin-angiotensin system.

(biology) A radiately striated membrane situated next to the yolk of an ovum, or separated from it by a very delicate membrane only.

(meteorology) The kinetic energy of the zonal wind at a specified latitude.

(meteorology) The component of a wind along a particular parallel of latitude

in zones. / in a manner related to, associated with, or similar to zones.

Divided into zones. / Related to, associated with, or similar to zones. / (of air or ocean currents) roughly longitudinal (east to west, or west to east)

plural of zonal wind

A quinoxalinedione drug that acts as a competitive antagonist of the AMPA receptor.

The state or condition of being zonal.

plural of zonality