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anterior horn

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.02 sec.
anterior horn
n.
1. The front section of the lateral ventricle of the brain, extending forward from Monro's foramen. Also called ventral horn.
2. The front or ventral gray column of the spinal cord in cross section. Also called ventral horn.

anterior horn
Etymology: L, ante + prior, foremost, cornu, horn, spina, spine; Gk, chorde, string
one of the hornlike projections of gray matter into the white matter of the spinal cord. The anterior horn contains efferent fibers innervating skeletal muscle tissue. Also called anterior column, ventral column, ventral horn.


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Poliomyelitis is an enterovirus, appearing in 3 strains (types I, II, and III), that attacks the anterior horn cells, brain stem, and reticular activating system in people with the disease.
Patients with flaccid paralysis have perivascular lymphocytic infiltration in the spinal cord, microglial nodules, and loss of anterior horn cells (9).
The poliovirus infects the spinal cord anterior horn cells and other motor neuron cells.
 
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