The ganglion cell layer (ganglionic layer) is a layer of the retina

Retina

The vertebrate retina is a light-sensitive tissue lining the inner surface of the eye. The optics of the eye create an image of the visual world on the retina, which serves much the same function as the film in a camera. Light striking the retina initiates a cascade of chemical and electrical...

 that consists of retinal ganglion cells.

In the macula lutea, the layer forms several strata.

The cells are somewhat flask

Laboratory flask

Laboratory flasks are vessels which fall into the category of laboratory equipment known as glassware. In laboratory and other scientific settings, they are usually referred to simply as flasks...

-shaped; the rounded internal surface of each resting on the stratum opticum, and sending off an axon

Axon

An axon is a long, slender projection of a nerve cell, or neuron, that conducts electrical impulses away from the neuron's cell body or soma....

 which is prolonged into it.

From the opposite end numerous dendrites extend into the inner plexiform layer

Inner plexiform layer

The inner plexiform layer is an area of the retina that is made up of a dense reticulum of fibrils formed by interlaced dendrites of retinal ganglion cells and cells of the inner nuclear layer. Within this reticulum a few branched spongioblasts are sometimes embedded....

, where they branch and form flattened arborizations at different levels.

The ganglion cells vary much in size, and the dendrites of the smaller ones as a rule arborize in the inner plexiform layer as soon as they enter it; while those of the larger cells ramify close to the inner nuclear layer

Inner nuclear layer

The inner nuclear layer or layer of inner granules is made up of a number of closely packed cells, of which there are three varieties, viz.: bipolar cells, horizontal cells, and amacrine cells.-Bipolar cells:...

.