(anatomy) A horizontally elongated region of grey matter in the subthalamus, of unknown function.

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.

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)

zonal

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

zonal

(biology) Having or appearing to have multiple zones, such as of color or texture. / (biology) Having different colors, textures, or other patterns form a pattern of rings, bands, or stripes.

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

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

An arrangement or distribution of things into zones.