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23 Cards in this Set
- Front
- Back
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Ciliary body |
Produce aqueous humor and alter the shape of the lens |
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Retina |
Receives images of external objects and transmits visual signals |
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Posterior cavity |
Lies between the lens and the retina. Contains the vitreous body. Also known as The Virtuous chamber |
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Posterior chamber |
Lies behind the iris and in front of the zonular fibers and lens |
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Anterior chamber |
Lies between the cornea and the iris |
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Macula lutea |
Placed in the exact center of the posterior portion of the retina. Contains the fovea centralis |
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Optic disc |
the site where the optic nerve exits the eyeball |
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Sclera |
forms the visible white part of the eye. provides protection for the more delicate internal structures of the eye, while maintaining the shape of the eyeball against the pressure in the eye |
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Cornea |
allows light to enter the interior of the eye |
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Colloid |
it's numerous blood vessels provide nutrients to the posterior surface of the retina |
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Ora Serrata |
Jagged anterior margin of the retina |
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Lacrimal glands |
Secrete lacrimal fluid |
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Palpebrae |
Shade the eyes during sleep, protect eyes from excessive light and foreign objects, and spread lubricating secretions over the eyeballs |
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Conjunctiva |
Protective thin mucus membrane of the eye |
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Eyebrow |
Protect the eye from foreign objects, perspiration and, direct rays of the Sun |
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Auricle |
Flap of elastic cartilage shaped like the flared end of a trumpet and covered by skin |
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External auditory meatus |
curved tube that lies in the cartilage of the auricle and the temporal bone and leads to the tympanic membrane |
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Tympanic membrane |
Thin, semi-transparent partition between the external auditory canal and middle ear. |
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Eustachian tube |
connects the middle ear with the nasopharynx. during swallowing and yawning, it opens, allowing air to enter or leave the middle ear until the pressure in the middle ear equals the atmospheric pressure. |
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Oval window |
As it bulges inward, it pushes on the perilymph of the scala vestibuli |
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Round window |
It bulges outward as pressure waves are transmitted from the scala vestibuli to the scala tympani |
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Utricle and saccule |
Sense organ of static equilibrium. Provide sensory information on the position of the head in space, essential to maintain appropriate posture and balance |
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Semicircular ducts |
Function and dynamic equilibrium. Permits detection of rotational acceleration or deceleration. |
