Internodal segment

Internodal segment
Diagram of longitudinal sections of medullated nerve fibers.
Medullated nerve fibers stained with silver nitrate.
Details
Identifiers
Latin	segmentum internodale
Code	TH H2.00.06.2.03028
*Anatomical terminology* [edit on Wikidata]

An internodal segment (or internode) is the portion of a nerve fiber between two Nodes of Ranvier. The neurolemma or primitive sheath is not interrupted at the nodes, but passes over them as a continuous membrane.

References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

External links

-476446662 at GPnotebook

Nervous tissue

CNS

Tissue Types

Cell Types

Neuronal

Glial

insulating:	Myelination: Oligodendrocyte

other	Astrocyte Radial glial cell Ependymal cells Tanycyte Microglia

PNS

General	Posterior Root Ganglion Ramus Anterior Root Ramus Ramus communicans Gray White Autonomic ganglion (Preganglionic nerve fibers Postganglionic nerve fibers)

Connective tissues	epineurium perineurium endoneurium nerve fascicle

Neuroglia	Myelination: Schwann cell Neurolemma Myelin incisure Node of Ranvier Internodal segment Satellite glial cell

Neurons/
nerve fibers

Parts

Soma	Axon hillock

Axon	Axon terminals Axoplasm Axolemma Neurofibril/neurofilament

Dendrite	Nissl body Dendritic spine Apical dendrite/Basal dendrite

Types

Afferent nerve fiber/
Sensory nerve

Efferent nerve fiber/
Motor neuron

Termination

Synapse	Electrical synapse/Gap junction Chemical synapse Synaptic vesicle Active zone Postsynaptic density Autapse Ribbon synapse Neuromuscular junction

Sensory receptors	Meissner's corpuscle Merkel nerve ending Pacinian corpuscle Ruffini ending Muscle spindle Free nerve ending Olfactory receptor neuron Photoreceptor cell Hair cell Taste bud

This article is issued from Wikipedia - version of the 6/9/2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.