Layers of Retina

Question 1

Pigment epithelium

Answer 1

Layer 1

single layer of polygonal cells, separating receptors from choroid and absorbing light passing through retina.

Question 2

Photoreceptor outer segments layer

Answer 2

Layer 2

contains the photosensitive portion of the receptor cells.

Question 3

Outer nuclear layer

Answer 3

Layer 3

consists of the cell bodies of rods and cones.

Question 4

Outer plexiform layer

Answer 4

Layer 4

thin synaptic zone in which receptors terminate on horizontal and bipolar cells and in which processes of horizontal cells spread laterally.

Question 5

Inner nuclear layer

Answer 5

Layer 5

contains the cell bodies of all the retinal interneurons (horizontal, bipolar and amacrine cells).

Question 6

Inner plexiform layer

Answer 6

Layer 6

thick synaptic zone in which bipolar cells terminate on amacrine and ganglion cells, and in which processes of amacrine cells spread laterally.

Question 7

Ganglion cell layer

Answer 7

Layer 7
contains the cell bodies of the ganglion cells, whose dendrites ramify in the inner plexiform layer and whose axons leave the eye as the optic nerve.

Question 8

Nerve fiber layer

Answer 8

Layer 8

collection of axons of ganglion cells that converge like spokes toward the optic disk, where they form the optic nerve.