- gray columns of spinal cord
- columnae griseae.
Medical dictionary. 2011.
gray columns of spinal cord
Look at other dictionaries:
gray commissure of spinal cord — the transverse band of gray substance surrounding the central canal of the spinal cord external to the central gelatinous substance; it connects the intermediate, anterior, and posterior columns … Medical dictionary
Spinal cord — Latin medulla spinalis The spinal cord nested in the vertebral column … Wikipedia
Spinal cord — The major column of nerve tissue that is connected to the brain, lies within the vertebral canal, and from which the spinal nerves emerge. The spinal cord and the brain constitute the central nervous system (CNS). The spinal cord consists of… … Medical dictionary
gray column — n any of the longitudinal columns of gray matter in each lateral half of the spinal cord called also gray horn compare COLUMN (a) … Medical dictionary
Gray matter — The cortex of the brain which contains nerve cell bodies. The gray matter is in contrast to the white matter, the part of the brain that contains myelinated nerve fibers. The gray matter is so named because it in fact appears gray. The white… … Medical dictionary
columnae griseae medullae spinalis — [TA] gray columns of spinal cord: the three longitudinally oriented thickenings in the spinal cord (columnae anterior, posterior, and intermedia medullae spinalis), composed of the gray substance, and containing the nerve cell bodies. The columns … 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
nervous system disease — Introduction any of the diseases or disorders that affect the functioning of the human nervous system (nervous system, human). Everything that humans sense, consider, and effect and all the unlearned reflexes of the body depend on the… … Universalium
nervous system — Anat., Zool. 1. the system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia. 2. a particular part of this system. Cf. autonomic nervous system, central nervous system, peripheral nervous… … Universalium
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
