Special Senses vocab week 1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| accomidation | normal adjustment of the eye to focus on objects from far to near
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| anterior chamber | area behind cornea and infront of the lens and iris
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| aqueos humor | fluid produced by ciliary body and found in the anterior chamber
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| biconvex | two surfaces that are rounded, elevated, and curved evenly like a sphere
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| chamber | space
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| choroid | middle, vascular layer of the eye between retina and sclera
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| ciliary body | structure surrounding the lens that conects the choroid and iris
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| cone | photoreceptor cell in retina that transforms light energy into a nerve impulse
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| conjunctiva | delicate membrane lining the undersurface of the eyelids and covering the anterior eyelid
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| cornea | fibrous transparent layer of clear tissue that extends over the anterior portion of the eyeball
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| fovea centralis | tiny pit or depresson in the retina that is the region of clearest vision
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| iris | pigmented layer that opens and closes to allow more or less light into the eye
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| lens | transparent, biconvex body behind the pupil of the lens, it bends light rays to bring them into focus
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| macula | yellowish region on the retina lateral to and slightly below the optic disc
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| optic chiasm | point at which optic nerve fibers cross in the brain
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| optic disc | region at the back of the eye where optic nerve meets retina...blind spot
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| optic nerve | cranial nerve carrying impulses from the retina to the brain
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| pupil | central opening of the eye, surrounded by the iris, through which light rays pass
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| refraction | bending of light rays by the cornea, lens and fluids of the eye to bring the rays into focus on the retina
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| retina | light sensitive nerve cell layer of the eye containing photorecepter cells
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| rod | photorecepter cell of the retina essential for vision in dim light and peripheral vision
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| sclera | tough, white outer coat of the eyeball
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| thalamus | relay center of the brain
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| vitreous humor | soft, jelly like material behind the lens in the vitreous chamber; maintains the shape of eye
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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