posterior horn


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posterior horn

[pä¦stir·ē·ər hȯrn]
(neuroscience)
The dorsal column of gray matter in the spinal cord containing the axons of sensory (afferent) neurons.
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References in periodicals archive ?
Given that there are numerous factors that might contribute to outcome, the purpose of this experiment was to specifically study the pullout strength of meniscal allograft posterior horn fixation, using sutures with and without the assistance of bone graft.
A guide wire was then drilled from the anteromedial aspect of the proximal tibia, exiting at the posterior horn insertion footprint.
In Group 2, a tibial plateau was removed and the bone attached to the posterior horn was fashioned into a 7 x 25 mm bone plug.
Although the meniscus is loaded in shear, load to failure was chosen in this model to answer the question as to fixation stability at the posterior horn.
The mode of failure for all specimens in Group 1 was observed to be slippage of the posterior horn along the suture (Fig.
Despite different mechanisms of failure between the two groups in the study, load to failure of fixation of the posterior horn between the two groups was not significantly different.
First, the investigators analyzed only load to failure of fixation of the posterior horn of a meniscal allograft.
It does not account for the ingrowth and incorporation of the posterior horn into the proximal tibia.
A burr is used to create a superficial reference trough in the articular cartilage in the path connecting the anterior and posterior horns, and the meniscal transplantation depth gauge is inserted into the reference trough and hooked over the posterior margin of the lateral plateau.
Bony fixation of the allograft was performed in 17 patients, while 8 patients had suture fixation of the anterior and posterior horns.
It requires a meniscal rim and intact anterior and posterior horns to be utilized.

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