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Descriptor English: Axon Initial Segment
Descriptor Spanish: Segmento Inicial del Axón
Descriptor segmento inicial del axón
Entry term(s) cono axonal
zona de activación axonal
Scope note: Primer segmento del axón que conecta los segmentos distales axonales con el CUERPO CELULAR de la neurona en la región del cono axonal. El segmento inicial del axón no se encuentra protegido por la VAINA DE MIELINA y tiene propiedades críticas para el crecimiento axonal. El segmento inicial del axón y el cono axonal forman una zona activadora axonal.
Descriptor Portuguese: Segmento Inicial do Axônio
Descriptor French: Segment initial de l'axone
Entry term(s): Cône axonique
Cône d'implantation de l'axone
Segments initiaux des axones
Zone gâchette de l'axone
Tree number(s): A08.675.542.145.250
A11.284.180.075.125
A11.671.501.145.250
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D000071040
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.
Allowable Qualifiers: CH composition chimique
CL classification
DE effets des médicaments et des substances chimiques
EN enzymologie
IM immunologie
ME métabolisme
MI microbiologie
PA anatomopathologie
PH physiologie
PS parasitologie
RE effets des radiations
TR transplantation
UL ultrastructure
VI virologie
DeCS ID: 56260
Unique ID: D000071040
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 2017/01/01
Date of Entry: 2016/06/29
Revision Date: 2016/02/26
Segment initial de l'axone - Preferred
Concept UI M000612953
Preferred term Segment initial de l'axone
Entry term(s) Segments initiaux des axones
Zone gâchette de l'axone - Broader
Concept UI M000612957
Preferred term Zone gâchette de l'axone
Cône axonique - Related but not broader or narrower
Concept UI M000612956
Preferred term Cône axonique
Entry term(s) Cône d'implantation de l'axone



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