Printable The Human Ear flash cards

25 words
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http://dynamo.dictionary.com/43106/the-human-ear

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cartilage

firm, elastic, flexible type of connective tissue of a translucent whitish or yellowish color

cochlea

spiral-shaped cavity forming a division of the internal ear

cochlear nerve

branch of the auditory nerve, arises in the spiral ganglion of the cochlea, conducts sensory stimuli

endolymphatic sac

dilated blind extremity of the endolymphatic duct

eustachian tube

canal extending from the middle ear to the pharynx; auditory canal

external auditory canal

narrow, tubelike passage through which sound enters the ear; ear canal

external ear

outer portion of the ear, consisting of the auricle and the canal

facial nerve

seventh pair of cranial nerves composed of motor fibers, control muscles of the face sans chewing

incus

middle one of a chain of three small bones in the middle ear

inner ear

essential part of hearing and equilibrium that typically is located in the temporal bone

internal auditory canal

short auditory canal in the petrous portion of the temporal bone

ligament

band of tissue, usually white and fibrous, serving to connect bones and hold organs in place

malleus

outermost of a chain of three small bones in the middle ear

middle ear

intermediate portion of the ear consisting of a small air-filled membrane-lined chamber

muscle

organ, composed of muscle tissue, that contracts to produce a particular movement

ossicles

small bone, especially one of the three located in the middle ear

oval window

oval opening at the head of the cochlea, connecting the middle and inner ear

round window

opening in the inner wall of the middle ear, compensates for change in cochlear pressure

saccule

smaller of two sacs in the membranous labyrinth of the internal ear

semicircular canal

any of the three curved tubular canals in the labyrinth of the ear

stapes

innermost of the chain of three ossicles in the middle ear

temporal bone

either of a pair of thick compound bones forming the part of the skull that encases the inner ear

tympanic membrane

thin membrane separating the middle ear from the inner part of the external auditory canal

utricle

larger of two sacs in the membranous labyrinth of the internal ear

vestibular nerve

part of the auditory nerve in the inner ear, carries sensory information related to body equilibrium