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optic chiasm

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chiasm /chi·asm/ (ki´azm) a decussation or X-shaped crossing.
optic chiasm  the structure in the forebrain formed by the decussation of the fibers of the optic nerve from each half of each retina.
optic chiasm
n.
A flattened quadrangular body that is the point of crossing of the fibers of the optic nerves. Also called optic decussation.
optic chiasm
Etymology: Gk, optikos, sight, chiasma, crossed lines
a point near the thalamus and hypothalamus where parts of each optic nerve cross over.
chiasm [ki´azm]
a decussation or X-shaped crossing.
optic chiasm a structure in the forebrain formed by the decussation of fibers of the optic nerve from each half of each retina.
optic chiasm (op´tik kī´azm),
n a point near the thalamus and hypothalamus at which portions of each optic nerve cross over.
chiasm
a decussation or Y-shaped crossing.
optic chiasm
a structure in the forebrain formed by the decussation of fibers of the optic nerve from each half of each retina.
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Patients may have symptoms due to compression of adjacent structures, particularly the optic chiasm and optic nerves.
Imaging sellar and suprasellar pathology by Shah, Lubdha M.; Phillips, C. Douglas / Applied Radiology
The etiologies of their visual impairments included retinopathy of prematurity, glaucoma, retinal detachment, amaurosis, optic chiasm tumors, sarcoid growth, injury, retinitis pigmentosa, diabetic retinopathy, retinal blastoma, macular degeneration, and unknown.
Detecting approaching vehicles at streets with no traffic control by Emerson, Robert Wall; Sauerburger, Dona / Journal of Visual Impairment & Blindness
A control magnetic resonance study revealed dilation of the ventricles, bilateral thinning of the optic nerves, and prominent atrophy on the right side of the optic chiasm (Fig.
Permanent visual loss despite appropriate therapy in tuberculous ... by Ozturk, Recep / Southern Medical Journal
 
 
 
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