the axon of a neuron (axon, n. 2).

(a) a neuron; (b) the part of the cell body of a neuron from which the axon emerges (= axon hillock n. at axon, n. additions); (c) a dendrite.

Physiology. According to Ehrlich's theory of immunological action: a structure postulated to project from the surface of a cell and to constitute a…

Cell Biology. An irregular protrusion from the leading edge of a macrophage or other motile cell; an upward-pointing tip or layer of such a…

an immotile cell process of certain epithelial cells of the male reproductive tract and the labyrinth of the ear, similar to a cilium at low…

A thin flattened extension of a cell by which it moves over or adheres to a surface.

Cell Biology. A cytoplasmic process involved in locomotion extending from the front of certain cells. Cf. lamellipodium, n.