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Special visceral efferent

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Special visceral efferent (SVE) refers to efferent nerves which supply muscles which derived from the branchial arches.[1] Examples of nerves that contain SVE fibers include the trigeminal nerve, the facial nerve, the glossopharyngeal nerve, the vagus nerve, and the accessory nerve.[2]

Some sources prefer the term "branchiomotor",[3] or "branchial efferent".[4]

[edit] Examples

Examples of nerves that contain SVE fibers include the trigeminal nerve, the facial nerve, the glossopharyngeal nerve, the vagus nerve, and the accessory nerve.[5]

[edit] References

  1. ↑ Norman/Georgetown cranialnerves
  2. ↑ Mehta, Samir et al. Step-Up: A High-Yield, Systems-Based Review for the USMLE Step 1. Baltimore, MD: LWW, 2003.
  3. ↑ Definition: branchiomotor nuclei from Online Medical Dictionary
  4. ↑ ana.ed.ac.uk. URL accessed on 2008-02-17.
  5. ↑ Mehta, Samir et al. Step-Up: A High-Yield, Systems-Based Review for the USMLE Step 1. Baltimore, MD: LWW, 2003.


[edit] External links


v·d·e
Histology: nervous tissue
Neurons (gray matter) soma, axon (axon hillock, axoplasm, axolemma, neurofibril/neurofilament), dendrite (Nissl body, dendritic spine, apical dendrite, basal dendrite)
types (bipolar, pseudounipolar, multipolar, pyramidal, Purkinje, granule)
Afferent nerve/Sensory nerve/Sensory neuron 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/Motor nerve/Motor neuron GSE, GVE, SVE, Upper motor neuron, Lower motor neuron (α motorneuron, γ motorneuron)
Synapses neuropil, synaptic vesicle, neuromuscular junction, electrical synapse - Interneuron (Renshaw)
Sensory receptors Free nerve ending, Meissner's corpuscle, Merkel nerve ending, Muscle spindle, Pacinian corpuscle, Ruffini ending, Olfactory receptor neuron, Photoreceptor cell, Hair cell, Taste bud
Glial cells astrocyte, oligodendrocyte, ependymal cells, microglia, radial glia
Myelination (white matter) Schwann cell, oligodendrocyte, nodes of Ranvier, internode, Schmidt-Lanterman incisures, neurolemma
Related connective tissues epineurium, perineurium, endoneurium, nerve fascicle, meninges
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