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Lemniscus (Anatomy) Information

A lemniscus (Greek for ribbon or band[1]) is an anatomic term. It can refer to:

lemniscus : is a bundle of secondary sensory fibers within the brain stem which terminates in specific relay nuclei of the diencephalon

References

  1. ^ Lemniscus at Dorland's Medical Dictionary
· · Histology: nervous tissue (TA A14.2.00, GA 9.849)
Neurons
Parts

soma

axon (axon hillock, axon terminals, axoplasm, axolemma, neurofibril/neurofilament)

dendrite (Nissl body, dendritic spine, apical dendrite, basal dendrite)
Types bipolar · pseudounipolar · multipolar · pyramidal · Purkinje · granule
Afferent nerve fiber/ Sensory nerve GSA · GVA · SSA · SVA fibers (Ia, Ib or Golgi, II or Aβ, III or Aδ or fast pain, IV or C or slow pain)
Efferent nerve fiber/ Motor nerve GSE · GVE · SVE Upper motor neuron · Lower motor neuron (α motorneuron, γ motorneuron, β motorneuron)
Termination
Synapses neuropil · synaptic vesicle Interneuron (Renshaw) · neuromuscular junction · electrical synapse
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
Support
Glial cells Astrocyte (Radial glia) · Oligodendrocyte · Ependymal cells (Tanycytes) · Microglia
Myelination

CNS: Oligodendrocyte

PNS: Schwann cell · Neurolemma · Nodes of Ranvier/Internode · Schmidt-Lanterman incisures
Related connective tissues epineurium · perineurium · endoneurium · nerve fascicle · meninges
Other

Posterior (Root, Ganglion, Ramus) · Anterior (Root, Ramus) · rami communicantes (Gray, White) · Nerve fiber · Preganglionic fibers · Postganglionic fibers · Lemniscus · Funiculus · Fasciculus · Decussation · Commissure

Projection fibers · Association fiber · Commissural fiber

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Categories: Nervous system |

 

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