In humans, the optic nerve is derived from optic stalks during the seventh week of development and is composed of retinal ganglion cell axons and glial cells; it extends from the optic disc to the ...
Dil was injected into the left retina, and RGC axons were traced to the optic chiasm. In the wild-type animal, a subset of RGC axons is repelled at the midline and to the binocular pathway (top ...