Chapter 9 Word Scramble
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Term | Definition |
Sclera | The tough outermost connective tissue layer that protects the eye. |
Cornea | Refracts and bends light rays. |
Choroid | A layer of blood vessels that covers the eye. |
Ciliary body | Holds the lens in place. |
Ciliary muscle | Changes the shape of the lens to accommodate for near or far vision. |
Iris | Regulates entrance of light into the retina. |
Pupil | The opening in the iris that allows light into the eye. |
Retina | The layer in the back of the eye that contains receptors that detect light. |
Rods | Receptors found in the retina that detect black and white. Rods are used in low light conditions for vision. |
Cones | Receptors found in the retina that allow for color vision. |
Fovea centralis | The point in the retina that contains the highest concentration of cones. This allows for very acute vision. |
Optic nerve | The nerve that transmits visual signals to the brain. |
Lens | Bends light to help focus light rays for precise vision. |
Suspensory ligaments | Supports the lense and attaches the lenses to the ciliary body. |
Aqueous humor | A transparent fluid that fills the anterior (front) of the eye. This fluid helps transmit light rays. |
Vitreous humor | A transparent fluid that fills the posterior (back) of the eye that aids in transmiting light rays and providing support. |
Created by:
Mr.Klein
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