apical process

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ap·i·cal pro·cess

the dendritic process extending from the apex of a pyramidal cell of the cerebral cortex toward the surface.
Synonym(s): apical dendrite
References in periodicals archive ?
A second simple hypothesis that is that inputs to apical dendrites will be amplified in all layer V neurons that fire action potentials.
In 27-month-old rats, spine density showed with respect to 3-month-old animals, a significant decrease in both basal and apical dendrites (p less than 0.
Of special importance for this integration are the distal apical dendrites of cortical pyramidal neurons because top-down fibers target layer 1 of the cortex which are densely innervated by these structures.