Chabner, Language of Medicine 8th Edition, Chpt 17 Vocabulary
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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accommodation | show 🗑
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anterior chamber | show 🗑
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aqueous humor | show 🗑
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biconvex | show 🗑
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show | middle, vascular layer of the eye, between the retina and the sclera
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show | structure on each side of the lens that connects the choroid and iris. It contains ciliary muscles, which control the shape of the lens, and it secretes aqueous humor.
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show | photoreceptor cell in the retina that transforms light energy into a nerve impulse. responsible for color and central vision
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show | delicate membrane lining the eyelids and covering the anterior eyeball
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cornea | show 🗑
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show | tiny pit or depression in the retina that is the region of clearest vision
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show | posterior, inner part of the eye
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iris | show 🗑
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lens | show 🗑
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show | yellowish region on the retina lateral to and slightly below the optic disc; contains fovea centralis, which is the area of clearest vision
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show | point at which optic nerve fibers cross in the brain
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show | region at the back of the eye where the optic nerve meets the retina. it is the blind spot of the eye because it contains only nerve fibers, no rods or cones, and is thus insensitive to light
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show | cranial nerve carrying impulses from the retina to the brain (cerebral cortex)
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pupil | show 🗑
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show | 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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show | light-sensitive nerve cell layer of the eye containing photoreceptor cells (rods & cones)
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rod | show 🗑
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show | tough, white outer coat of the eyeball
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show | relay center of the brain. optic nerve fibers pass through here on their way to the cerebral cortex
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vitreous humor | show 🗑
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show | defective curvature of the cornea or lens of the eye
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show | farsightedness
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show | nearsightedness
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presbyopia | show 🗑
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cataract | show 🗑
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show | small, hard, cystic mass (granuloma) on the eyelid; formed as a result of chronic inflammation of a sebaceous gland along the margin of the eyelid
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show | retinal effects of diabetes mellitus include microaneurysms, hemorrhages, dilation of retinal veins, and neovascularization
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show | increased intraocular pressure results in damage to the retina and optic nerve with loss of vision
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show | localized, purulent, inflammatory staphylococcal infection of a sebaceous gland in the eyelid
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macular degeneration | show 🗑
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nystagmus | show 🗑
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show | two layers of the retina separate from each other
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strabismus | show 🗑
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show | one eye turns inward; cross-eyed
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exotropia | show 🗑
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show | upward deviation of one eye
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hypotropia | show 🗑
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show | partial loss of vision or lazy eye
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diplopia | show 🗑
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show | channel that leads from the pinna to the eardrum
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auditory meatus | show 🗑
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show | carry impulses from the inner ear to the brain (cerebral cortex), these fibers compose the vestibulocochlear nerve (cranial nerve VIII)
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auditory tube | show 🗑
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auricle | show 🗑
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show | waxy substance secreted by the external ear; also called ear wax
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show | snail-shaped, spirally wound tube in the inner ear; contains hearing-sensitive receptor cells
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endolymph | show 🗑
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show | auditory tube
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incus | show 🗑
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show | maze-like series of canals of the inner ear
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malleus | show 🗑
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show | sensitive auditory receptor area found in the cochlea of the inner ear
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show | small bone of the ear
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show | membrane between the middle ear and the inner ear
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perilymph | show 🗑
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show | auricle; flap of the ear
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show | passages in the inner ear associated with maintaining equilibrium
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show | third ossicle of the middle ear. means stirrup
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tympanic membrane | show 🗑
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show | central cavity of the labyrinth, connecting thhe semicircular canals and the cochlea. contains two structures, the saccule and utricle, that help maintain equilibrium
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acoustic neuroma | show 🗑
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show | collection of skin cells and cholesterol in a sac within thhe middle ear
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show | loss of the ability to hear
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show | disorder of the labyrinth of the inner ear; elevated endolymph pressure within the cochlea and semicircular canals
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otitis media | show 🗑
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show | invasion of bacteria in the middle ear, pus formation occurs
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show | noninfectious inflammation with accumulation of serous fluid
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otosclerosis | show 🗑
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show | sensation of noises (ringing, buzzing, whistling, booming) in the ears
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vertigo | show 🗑
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show | absence of the lens of the eye
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