posterior column


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Related to posterior column: Anterior column, posterior column of spinal cord, Lateral column

column

 [kol´um]
an anatomical part or other structure that resembles a pillar.
anal c's vertical folds of mucous membrane at the upper half of the anal canal; called also rectal columns.
anterior column the anterior portion of the gray substance of the spinal cord, in transverse section seen as a horn.
gray column the longitudinally oriented parts of the spinal cord in which the nerve cell bodies are found, comprising the gray matter of the spinal cord.
lateral column the lateral portion of the gray substance of the spinal cord, in transverse section seen as a horn; present only in the thoracic and upper lumbar regions.
posterior column the posterior portion of the gray substance of the spinal cord, in transverse section seen as a horn.
rectal c's anal columns.
spinal column (vertebral column) spine (def. 2).

pos·te·ri·or col·umn

[TA]
the pronounced, dorsolaterally oriented ridge of gray matter in each lateral half of the spinal cord, corresponding to the posterior or dorsal horn appearing in transverse sections of the cord.

posterior column

pos·te·ri·or col·umn

(pos-tēr'ē-ŏr kol'ŭm) [TA]
The pronounced, dorsolaterally oriented ridge of gray matter in each lateral half of the spinal cord, corresponding to the posterior or dorsal horn appearing in transverse sections of the cord.
Synonym(s): posterior column of spinal cord (1) .
References in periodicals archive ?
By integrating common tests reflecting the anterior, middle and posterior columns within the model, the practitioner may be better positioned to understand the complexity of direct laryngoscopy in both normal and difficult airway scenarios.
The preoperative goals were: a stable rather than an anatomical reduction, to support bone loss with autograft or allograft, and to stabilize the anterior and posterior columns with cannulated long and large (greater than 4.
Subacute combined degeneration of the spinal cord: MRI detection of preferential involvement of the posterior columns in a child.

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