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68wm6 cranial nerves
68wm6 cranial nerves and special senses
| Question | Answer |
|---|---|
| anosmia | complete or partial loss of sense of smell |
| anopia | absence of an eye |
| aqueous humor | thin, watery fluid that fills the space between the cornea and the iris (anterior chamber) |
| blepharitis | inflammation of the eyelid margins |
| choroid | middle, bascular layer of the eye |
| cochlea | coiled tube in the inner ear |
| conjunctivitis | the transparent front part of the eye that covers the iris, pupil, and anterior chamber |
| chranial nerve | a nerve that arises from the underside of the brain or the brainstem |
| diplopia | double vision |
| hemianopia | blindness in one half of the visual field |
| iris | colored muscular part of the eye |
| labyrinth | complex system of connecting chambers and tubes of the inner ear |
| lacrimal gland | tear gland |
| sclera | tough outer protective layer of the eye |
| somatic nervous system | consists of the cranial and spinal nerve fibers that connect the cns to the skin and skeletal muscles |
| special senses | senses that stem from receptors associated with specialized sensory organs; nose eye, ear, tongue |
| tympanic membrane | eardrum |
| vitreous humor | clear jellylike substance within the eye |
| the olfactory nerve that is a sensory nerve that carries the sense of smell | cranial nerve I |
| the optic nerve that is a sensory nerve that carries visual signals from the eye to the brain | cranial nerve II |
| the oculomotor nerve is a motor nerve that helps raise eyelid, move the eye upward, toward midline and away from midline, and downward and away from midline, constricts the pupil and focuses the lens | cranial nerve III |
| the trochlear nerve is a motor nerve, helps move the eye downward and away from midline | cranial nerveIV |
| the trigeminal nerve is a mixed nerve that caries sensation from parts of the face and eye, motor impulses to the muscles of mastication | cranial nerve V |
| the abducens nerve is a motor nerve that moves the eye away from the midline | cranial nerve VI |
| the facial nerve is a mixed nerve it carries taste sensation from the tongue and stimulates muscles of facial expression | cranial nerve VII |
| the vestibulocochlear nerve carries sensory information for hearing and equilibrium, | cranial nerve VIII |
| the glossopharyngeal nerve is a mixed nerve, the sensory fibers cary impulses from the lining of the pharynx, tonsils and posterior third of the tongue, motor fibers are responsible for the gag reflex and contols swallowing action | cranial nerve IX |
| the vagus nerve is a mixed nerve, involves both the somatic and autonomic nervous system, somatic motor responsible for swallowing and speech, autonomic control smooth muscles and glands in the thorax and abdomen, | cranial nerve X |
| the hypoglossal nerve, controls muscles that move the tongue (e.g. chewing swallowing and speaking) | cranial nerve XII |
| craial nerves of the eye | cranial nerves II, III, IV, VI |
Created by:
danield71111
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