The axon hillock is a specialized part of the cell body (or soma) of a neuron that connects to the axon. The axon hillock is the last site in the soma where membrane potentials propagated from synaptic inputs are summated before being transmitted to the axon. For many years, it had been believed that the axon hillock was the usual site of action p...
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http://en.wikipedia.org/wiki/Axon_hillock
(from the article `nervous system`) The axon arises from the soma at a region called the axon hillock, or initial segment. This is the region where the plasma membrane generates nerve ...
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http://www.britannica.com/eb/a-z/a/132
<cell biology> Tapering region between a neuron's cell body and its axon. This region is responsible for summating the graded inputs from the dendrites and producing action potentials if the threshold is exceeded. ... (12 Mar 1998) ...
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http://www.encyclo.co.uk/local/20973
Tapering region between a neuron's cell body and its axon. This region is responsible for summating the graded inputs from the dendrites, and producing action potentials if the threshold is exceeded.
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http://www.encyclo.co.uk/visitor-contributions.php
Type: Term Definitions: 1. the conic area of origin of the axon from the nerve cell body; it contains parallel arrays of microtubules and is devoid of Nissl substance. Synonyms: implantation cone
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http://www.medilexicon.com/medicaldictionary.php?t=41006
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