15.5 ear and related anatomic terms

external projecting part of ear (also called pinna)

term that refers to ear

earwax

snail-shaped canal in inner ear

fluid that fills semicircular canals and membranous labyrinth of ear

tube that leads from ear to throat (also called auditory tube)

ventral diverticulum of eustachian tube in equine

anvil-shaped bone in middle ear (also called anvil)

inner ear, consisting of numerous canals and membranes and organ of hearing, the organ of Corti

hammer-shaped bone in middle ear (also called hammer)

opening to ear; both internal and external

spiral organ of hearing located on basilar membrane of cochlear membrane

little bones of middle ear

stone in utricle and saccule of inner ear (lith means stone)

fluid that fills some chambers of inner ear

auricle, or projecting part of ear

small, hair-lined sac of inner ear, which together with utricle and semicircular canals is organ for equilibrium

three membranous canals (lateral, superior, and posterior) contained within bony semicircular structures of labyrinth, involved with equilibrium

stirrup-shaped bone in middle ear (also called stirrup)

membrane (eardrum) that separates middle ear from external ear and transmits vibrations to ossicles

small hair-lined sac of inner ear that is concerned with equilibrium

cranial nerve VIII; has branches for transmitting sound and equillibrium to brain