(anatomy, neurology) A dendrite that emerges from the apex of a pyramidal cell.

plural of apical dendrite

(mycology) A small pore in the outer wall of a fungal spore which is located at the spore apex, opposite the hilar appendage and used for germination.

(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 apical germ pore

plural of apical ectodermal ridge