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The Eyes

Body StructuresThe Eyes

The white (opaque) portion of an eye is called the sclera.
The transparent anterior portion of a sclera is called the cornea
The colored portion of an eye is called the iris
The highly vascular layer of an eye is called the choroid.
The os in the center of an iris is called a pupil
A pupil that decreases in size is called pupillary constriction.
A pupil that increases in size is called pupillary dilation.
The crystalline structure located posterior to each pupil that focuses (accommodates) light on a retina is called the crystalline lens.
The retina is the portion of an eye that perceives light.
Each retina is made up of visual receptor cells called rods and cones.
Each retina is an extension of an optic nerve.
The optic nerves transmit visual impulses to the thalamus
The thalamus relays these impulses to the occipital lobe for interpretation.
The anterior compartment of an eye is filled with liquid called the aqueous humor.
The posterior compartment of an eye is filled with liquid called the vitreous humor.
Created by: willowsalem