ventral gray column
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anterior gray column — n VENTRAL HORN … Medical dictionary
ventral horn — n a longitudinal subdivision of gray matter in the anterior part of each lateral half of the spinal cord that contains neurons giving rise to motor fibers of the ventral roots of the spinal nerves called also anterior column, anterior gray column … Medical dictionary
column — 1. An anatomic part or structure in the form of a pillar or cylindric funiculus. SEE ALSO: fascicle. 2. A vertical object (usually cylindrical), mass, or formation. SYN: columna [TA]. [L. columna] … Medical dictionary
ventral column — noun : either of a pair of gray columns situated one on each side in the ventral aspect of the spinal column and containing neurons that give rise to motor fibers of the ventral roots of spinal nerves … Useful english dictionary
Posterior column-medial lemniscus pathway — Originating in peripheral sensory receptors, the posterior column medial lemniscus pathway transmits fine touch and conscious proprioceptive information to the brain. Latin via column … Wikipedia
lateral column — n 1) a lateral extension of the gray matter in each lateral half of the spinal cord present in the thoracic and upper lumbar regions called also lateral horn compare DORSAL HORN, VENTRAL HORN 2) LATERAL FUNICULUS … Medical dictionary
horn — Any structure resembling a h. in shape. SYN: cornu (1). [A.S.] Ammon h. [TA] one of the two interlocking gyri composing the hippocampus, the other being the dentate gyrus. Based on cytoarchitectural features, Ammon h. can be divided into … Medical dictionary
idiodynamic control — nerve impulses from the cells of the ventral gray column and the motor nuclei of the brain that maintain the muscles in their normal trophic condition … Medical dictionary
upper motoneuron — a neuron in the cerebral cortex that conducts impulses from the motor cortex to a motor nucleus of one of the cerebral nerves or to a ventral gray column of the spinal cord … Medical dictionary
Nucleus — 1) In cell biology, the structure that houses the chromosomes. 2) In neuroanatomy, a group of nerve cells. * * * 1. In cytology, typically a rounded or oval mass of protoplasm within the cytoplasm of a plant or animal cell; it is surrounded by a… … Medical dictionary
