AXON HILLOCK

refers to the cone-shaped part of a neuron cell body from which the axon originates. Depolarization must reach a critical threshold at the axon hillock for the axon to propagate a nerve impulse.

AXON HILLOCK: "The axon hillock of a neuron is the cone-shaped part of the cell body."
Cite this page: N., Pam M.S., "AXON HILLOCK," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/axon-hillock/ (accessed September 25, 2020).
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