- axon hillock
- axon hillock n the prominence on a nerve-cell body from which an axon arises
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the conical expansion of an axon at its point of attachment to the body of the nerve cell.
Medical dictionary. 2011.
axon hillock
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Axon hillock — Hillock redirects here. A hillock is also a small hill. The axon hillock is the anatomical part of a neuron that connects the cell body (the soma) to the axon. It is described as the location where the summation of inhibitory postsynaptic… … Wikipedia
axon hillock — 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 … Dictionary of molecular biology
axon hillock — noun : the prominence on a nerve cell body from which an axon arises … Useful english dictionary
Axon — For other uses, see Axon (disambiguation). Structure of a typical neuron Axon … Wikipedia
hillock — In anatomy, any small elevation or prominence. axon h. the conical area of origin of the axon from the nerve cell body; it contains parallel arrays of microtubules and is devoid of Nissl substance … Medical dictionary
implantation cone — axon hillock … Medical dictionary
Action potential — In physiology, an action potential is a short lasting event in which the electrical membrane potential of a cell rapidly rises and falls, following a consistent trajectory. Action potentials occur in several types of animal cells, called… … Wikipedia
Neuron — This article is about cells in the nervous system. For other uses, see Neuron (disambiguation). Brain cell redirects here. For other uses, see Glial cell. Neuron: Nerve Cell … Wikipedia
nervous system — Anat., Zool. 1. the system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia. 2. a particular part of this system. Cf. autonomic nervous system, central nervous system, peripheral nervous… … Universalium
Chromatolysis — is the dissolution of the Nissl bodies in the cell body of a neuron. It is an induced response of the cell usually triggered by axotomy (severing or damaging of the axon), ischemia, toxicity to the cell, cell exhaustion, virus infections, and… … Wikipedia
