posterior horn

(redirected from Occipital horn)
Also found in: Medical.

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 ?
Ten morphological traits were measured on males and females: total tail length (TTL, cloaca to tip of tail); head length (HL, dorsal line front front tip of prenraxilla to back edge of parietal section of head); head width (HW, cheek region behind angle of jaws on one side to cheek region on other side); occipital horns length (OHL, front the base of these horns to tip); temporal horns length (THL1 and THL2, base to tip of these horns); superciliary scales length (SSL, base of these scales to tip); distance between the occipital horns (DOH, tip to tip of these horns); distance between superciliar scales (DSS, tip to tip of these scales); number of scales in the lateral fringe (SLF, total scales on left and right sides).
boucardi, which is reported for Leon, Guanajuato, and Zimapan, Hidalgo; this subspecies has erected occipital horns and elevated superciliary scales (Smith and Taylor, 1950).
That report stated, inter alias "The lateral ventricles are enlarged, including the atria, occipital horns and body.
a CSF-filled cleft lined by grey matter extending from the subarachnoid space from the right parietal lobe region communicating with the trigone and occipital horns of the right lateral ventricle
Radiographic findings of dysgenesis or agenesis of the corpus callosum include absence of, or a malformed corpus callosum (Figure 15), and parallel orientation of the lateral ventricles; normally the frontal horns lie closer together than the occipital horns of the lateral ventricles.