Outer_plexiform_layer, Outer_plexiform_layer Information, Outer_plexiform

Outer plexiform layer

Section of retina. (Outer plexiform layer labeled at right, sixth from the top.)

Plan of retinal neurons. (Outer plexiform layer labeled at left, fourth from the bottom.)
Gray\'s	subject #225 1016
Dorlands/Elsevier	l_05/12480917

The outer plexiform layer (external plexiform layer) is a layer of neuronal synapses in the retina of the eye. It consists of a dense network of synapses between dendrites of horizontal cells from the inner nuclear layer, and photoreceptor cell inner segments from the outer nuclear layer. It is much thinner than the inner plexiform layer, where horizontal cells synapse with retinal ganglion cells.

The synapses in the outer plexiform layer are between the rod cell endings or cone cell branched foot plates and horizontal cells. Unlike in most systems, rod and cone cells release neurotransmitters when not receiving a light signal.

External links

Histology at BU 07902loa

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v • d • e

Sensory system - Visual system - Eye - Retina

cells

Photoreceptor cells (Cone cell, Rod cell) → (Horizontal cell) → Bipolar cell → (Amacrine cell) → Ganglion cell
Giant retinal ganglion cells - Photosensitive ganglion cell - Muller glia

layers

Inner limiting membrane - Nerve fiber layer - Ganglion cell layer - Inner plexiform layer - Inner nuclear layer - Outer plexiform layer - Outer nuclear layer - External limiting membrane - Layer of rods and cones - Retinal pigment epithelium

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