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pertaining to the muscle nerves
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branching projections that conduct impulse to cell body of neurons
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ch. 10-17 uma
nervous system & the senses
| Question | Answer |
|---|---|
| pertaining to the muscle nerves | myoneural |
| branching projections that conduct impulse to cell body of neurons | dendrites |
| large interlacing network of nerves. EX. lumbosacral, cervical, and brachial plexuses | plexus |
| inability to speak | aphasia |
| x-ray record of the spinal cord | myelogram |
| abnormal sensation of tingling or pricking | paresthesia |
| a highly malignant brain tumor | glioblastoma |
| (stroke) The sudden death of some brain cells due to lack of oxygen when the blood flow to the brain is impaired by blockage or rupture of an artery to the brain. | cerebrovascular accident |
| Protrusion of the membranes that cover the spine but some of the spinal cord itself through a defect in the bony encasement of the vertebral column. The bony defect is spina bifida. | meningomyelocele |
| lack of normal sensation. absence of sense of touch or pain | anesthesia |
| an eye inflammation commonly called "pinkeye" is | conjunctivitis |
| nearsightedness | myopia |
| snailed shaped, spirally wound tube in the inner ear; contains hearing-sensitive receptor cells. | cochlea |
| progressive damage to the macula of the retina | macular degeneration |
| middle, vascular layer of the eye, between the retina and the sclera. | choroid |
| transparent, biconvex body behind the pupil of the eye. it bends light rays to bring them in to focus on the retina | lens |
| soft, jelly-like material behind the lens in the vitreous chamber; helps maintain the shape of the eyeball. | vitreous humor |
| structure surrounding the lens that connects the choroid and iris. | ciliary body |
| central opening of the eye, surrounding by the iris, through which light rays pass. it appears dark. | pupil |
| special magnifying lenses also permit examination of the fundus | tonometry |
| neurotransmitter chemical released at the ends of the nerve cells | acetylcholine |
| intense burning pain following injury to a sensory nerve | causalgia |
| fainting; sudden and temporary loss of consciousness caused by inadequate flow of blood to the brain. | syncope |
| collection of spinal nerves below the end of the spinal cord | cauda equina |
| is a collection of blood on the surface of the brain. | subdural hematoma |
| inflammation of nerve root (spinal nerves). result in pain and loss of function | radiculitis |
| all four extremities are affected. injury is at the cervical level of the spinal cord | quadriplegia |
| space through which a nervous impulse traves between nerve cells or between nerve and muscle or glandular cells | synapse |
| reading, writing, and learning disorders | dyslexia |
| fibrous layer of clear tissue that extends over the anterior portion of the eye and is continuous with the white of the eye | cornea |
| impairment of vision due to old age | presbyopia |
| defective curvature of the cornea or lens of the eye | astigmatism |
| inflammation of the middle ear | otitis media |
| sensation of noises (ringing, buzzing, whistling, booming) in the ears | tinnitus |
| delicate membrane lining the undersurface of the eyelids and covering the anterior eyeball | conjunctiva |
| light-sensitive nerve cell layer of the eye containing photoreceptor cells (rods and cones) | retina |
| tough, white outer coat of the eyeball | sclera |
| pigment layer that opens and closes to allow more or less light into the eye | iris |
| mental decline and deterioration. | dementia |
| auricle; flap of the ear | pinna |
| a surgical procedure in which a small incision is made in the eardrum | myringotomy |
| sensation of irregular or whirling motion either of oneself or of external objects | vertigo |
| surgical reconstruction of the bones of the middle ear with reconnection of the eardrum to the oval window | tympanoplasty |
| removal of the stapes (third bone of the middle ear) | stapedectomy |
| waxy substance secreted by the external ear; also called earwax | cerumen |
| part of the brain responsible for coordinating muscle movements and maintaining balance | cerebellum |
| what disease is characterized by a shuffling gait | parkinson disease (parkinsonism) |
| what are photosensitive receptor cell of the retina called? | cones |
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