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The Info List - Nerve Fascicle


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A nerve fascicle or fasciculus is a bundle of one or more funiculus.[1][2] A nerve fascicle refers to nerves in the peripheral nervous system; in the central nervous system this is known as a tract. See also[edit]

Perineurium Epineurium Endoneurium Nerve Nervous tissue Medial longitudinal fasciculus

References[edit]

^ Gray, Henry; Lewis, Warren Harmon (1918). Anatomy of the human body. Harold B. Lee Library. Philadelphia : Lea & Febiger.  ^ Siegel, A. & Sapru, H. (2011). Essential neuroscience. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins.

This article incorporates text in the public domain from page 728 of the 20th edition of Gray's Anatomy
Gray's Anatomy
(1918) External links[edit]

Anatomy photo: nervous/pns/nerve1/nerve3 - Comparative Organology at University of California, Davis - "PNS, nerve (LM, Low)" Histology at neurobio.ucla.edu

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Nervous tissue

CNS

Tissue Types

Grey matter White matter

Projection fibers Association fiber Commissural fiber Lemniscus Funiculus Fasciculus Nerve
Nerve
tract Decussation Commissure

Neuropil Meninges

Cell Types

Neuronal

Pyramidal Purkinje Granule

Glial

insulating:

Myelination: Oligodendrocyte

other

Astrocyte

Radial glial cell

Ependymal cells

Tanycyte

Microglia

PNS

General

Dorsal

Root Ganglion Ramus

Ventral

Root Ramus

Ramus communicans

Gray White

Autonomic ganglion
Autonomic ganglion
(Preganglionic nerve fibers Postganglionic nerve fibers)

Connective tissues

Epineurium Perineurium Endoneurium Nerve
Nerve
fascicle

Neuroglia

Myelination: Schwann cell

Neurilemma Myelin
Myelin
incisure Node of Ranvier Internodal segment

Satellite glial cell

Neurons/ nerve fibers

Parts

Soma

Axon
Axon
hillock

Axon

Telodendron Axon
Axon
terminals Axoplasm Axolemma Neurofibril/neurofilament

Dendrite

Nissl body Dendritic spine Apical dendrite/Basal dendrite

Types

Bipolar Unipolar Pseudounipolar Multipolar Interneuron

Renshaw

Afferent nerve fiber/ Sensory neuron

GSA GVA SSA SVA fibers

Ia or Aα Ib or Golgi or Aα II or Aβ and Aγ III or Aδ or fast pain IV or C or slow pain

Efferent nerve fiber/ Motor neuron

GSE GVE SVE Upper motor neuron Lower motor neuron

α motorneuron β motorneuron γ motorneuron

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 Nociceptor Olfactory receptor neuron Photoreceptor cell Hair cell Taste bud

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