axon hillock
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ax·on hil·lock
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.
Synonym(s): implantation cone
axon hillock
A conical protuberance that surrounds the axon at its point of departure from the neuronal body, at which point Nissl substance is minimal and accompanied by specialised plasmalemma.ax·on hil·lock
(ak'son hil'lok)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.