(embryology) A formation of ectodermal cells that occurs at the distal end of each limb bud and functions as the primary signaling point to secure the proper development of a limb.

plural of solar apex

plural of apical

(phonetics, of a sound) Articulated with the tip of the tongue against the alveolar ridge.

(anatomy) Relating to an apex and a base

In apicocoronal position.

In an apicobasal manner.

(anatomy) Located at the apex of the heart

Only used in apic acid

plural of apical ancestor