Gray

[of spinal cord), the transverse band of gray matter connecting the ma es of gray matter of the two halves of the spinal cord. C. magna, the corpus callosum. C, Middle, a band of soft gray matter connecting the optic thalami. C, Optic, the union and cro ing of the two optic nerves in front of the tuber cinereum. C, ch235.xhtml p 202