Structure of the retinal ganglionic layer in mammals

In total preparations impregnated with silver nitrate after Kampos the ganglionic retinal layer has been studied in some Mammalia. Two types of ganglionic cells are demonstrated. Some occupy the retinal spot. These are small (areal, dwarfish), cells, others--large, multipolar, circularly arranging, in layers around the nervus opticus disc along the remaining part of the retina. Both the former and the latter can be arranged in groups of two cells, their bodies situating near each other and their processes having the same direction. Single ganglionic cells possess special dendrites with terminal enlargements (proper sensitive neurons). Small neural cells situating in the layer of neural fibers are of vegetative nature.