Ganglion cell is defines as a type of neuron in the retina that receives input from the bipolar cells ; a neuron in the retina that receives inputs from bipolar and amacrine cells. The axons of the ganglion cells travel out of the eye in the optic nerve. Moreover, Ganglion cells is defined as a kind of neuron usually situated near the inner surface of the retina of the eye; receive visual information from photoreceptors by way of bipolar cells and amacrine cells; send visual information from the retina to several different parts of the brain, such as the thalamus and the hypothalamus.