The retina is the third and inner coat of the eye which is a light-sensitive layer of tissue. source
The retina is the third and inner coat of the eye which is a light-sensitive layer of tissue.
The optics of the eye create an image of the visual world on the retina (through the cornea and lens). source
The optics of the eye create an image of the visual world on the retina (through the cornea and lens).
Light striking the retina initiates a cascade of chemical and electrical events that ultimately trigger nerve impulses. source
Light striking the retina initiates a cascade of chemical and electrical events that ultimately trigger nerve impulses.
Neural retina typically refers to three layers of neural cells (photo receptor cells, bipolar cells, and ganglion cells) within the retina. source
Neural retina typically refers to three layers of neural cells (photo receptor cells, bipolar cells, and ganglion cells) within the retina.
The entire retina refers to these three layers plus a layer of pigmented epithelial cells. source
The entire retina refers to these three layers plus a layer of pigmented epithelial cells.
In vertebrate embryonic development, the retina and the optic nerve originate as outgrowths of the developing brain. source
In vertebrate embryonic development, the retina and the optic nerve originate as outgrowths of the developing brain.
The retina is considered part of the central nervous system (CNS) and is actually brain tissue. source
The retina is considered part of the central nervous system (CNS) and is actually brain tissue.
The retina is the only part of the CNS that can be visualized non-invasively. source
The retina is the only part of the CNS that can be visualized non-invasively.
The retina is a layered structure with several layers of neurons interconnected by synapses. source
The retina is a layered structure with several layers of neurons interconnected by synapses.
Neural signals from the rods and cones undergo processing by other neurons of the retina. source
Neural signals from the rods and cones undergo processing by other neurons of the retina.
The output takes the form of action potentials in retinal ganglion cells whose axons form the optic nerve. source
The output takes the form of action potentials in retinal ganglion cells whose axons form the optic nerve.
Several important features of visual perception can be traced to the retinal encoding and processing of light. source
Several important features of visual perception can be traced to the retinal encoding and processing of light.
The vertebrate retina has ten distinct layers. source
The vertebrate retina has ten distinct layers.
In adult humans, the entire retina is approximately 72% of a sphere about 22 mm in diameter. source
In adult humans, the entire retina is approximately 72% of a sphere about 22 mm in diameter.
The entire retina contains about 7 million cones and 75 to 150 million rods. source
The entire retina contains about 7 million cones and 75 to 150 million rods.
In section the retina is no more than 0.5 mm thick. source
In section the retina is no more than 0.5 mm thick.
The central retina is cone-dominated and the peripheral retina is rod-dominated. source
The central retina is cone-dominated and the peripheral retina is rod-dominated.
