posterior column


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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 ?
Importantly, when anterior, middle and posterior columns test are all included in the assessment, the correlation with difficult intubation is closest (6,9,10).
It is characterized by controlled anterior column opening, posterior column closing, and middle column preservation as the hinge.
The bicolumnar fracture was the most common type of fracture, followed by the posterior column fracture.
The prominent sensory ataxia with only mild motor findings pointed toward a lesion of the posterior columns.
Letournel and Judet as well as Matta attributed unfavorable outcomes of anterior and posterior wall as well as posterior column fractures to elderly osteoporotic bone.
3] In walking epidural analgesia, posterior column impairment is evident by loss of vibration and proprioception sense.
Cortical window was made at the site of sinus between medial and posterior column of the tibia after confirmation of the proximal end of implant under C-arm IITV.
Advanced disease is usually characterised by presence of posterior column signs.
In VitB12 deficiency, the dominant neurological pathology is myelopathy in the cervical and thoracic posterior columns.
CALCULATE alignment parameters with preoperative planning tools; CORRECT the anterior and posterior columns with comprehensive implant solutions using real-time intraoperative assessment; and CONFIRM the restoration and preservation of global sagittal alignment postoperatively.
FA was first described in the 1860s by German physician Nicholaus Friedreich as a "degenerative atrophy of the posterior columns of the spinal cord" (5).

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