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Cells > Neurons > Nerve Fibers > Axons > Axon Initial Segment
Nervous System > Neurons > Nerve Fibers > Axons > Axon Initial Segment
Cells > Cellular Structures > Cell Surface Extensions > Axons > Axon Initial Segment

Preferred term

Axon Initial Segment  

Type

  • Topical Descriptor

Broader concept

Entry terms

  • Axon Initial Segments

Scope note

  • First segment of axon that connects distal axon segments to the neuronal CELL BODY at the axon hillock region. The axon initial segment is not protected by the MYELIN SHEATH and has properties critical for axonal growth. The axon initial segment and the axon hillock form an axonal trigger zone.

History note

  • 2017

In other languages

URI

http://www.yso.fi/onto/mesh/D000071040

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