Neuroanatomy Draw It To Know It

22. Vision 389

Inner (Vitreous)

Outer (Choroid)

Light

perception Retinal layers:

Inner limiting membrane

Ganglion cell layer

Nerve fiber layer

Inner plexiform layer

Inner nuclear layer

Outer plexiform layer

Outer nuclear layer

Photoreceptor cell segment layer

Retinal pigmented epithelium

Outer limiting membrane

Signal exit

through the

optic nerve

Structure/function:

Thin, basal lamina

Row of intercellular junctions

Ganglion cell bodies

Axons of ganglion cells

Thick synaptic zone

Thin synaptic zone

Retinal interneuronal cell bodies

Photoreceptor cell bodies

Light capture & phototransduction

Photoreceptor metabolism

DRAWING 22-4 Th e R e t i n a