Vestibular Apparatus This is what the semicircular canals and the vestibule are called together Static Equilibrium Position of the head based upon gravity when there is no movement(Vestibule) Dynamic equilibrium The ability of the individual to adjust to displacements of the center of gravity of the body. Osseous Labyrinth Set of 3 parts in the ear (Cochlea,Vestibule, Semicircular Canals) Perilymph the bodily fluid that fills the space between the bony labyrinth of the inner ear Endolymph Thick gel like fluid found inside of the membranous labyrinth Membranous Labyrinth Located within the bony labyrinth, also divided into three parts: semicircular ducts and two saclike structures - the saccule and the utricle. Oval window Opening into the inner ear, stapes articulates with it Round Window - flexible membrane that allows fluid within cochlea to vibrate Tympanic Cavity Narrow air-filled chamber hanging out in petrous portion of temporal bone (really hard section of temporal bone) Ossicles 3 small bones located in the middle ear Ceruminous Glands glands that create cerumen (Ear wax) Vestibule The central part of the osseous labyrinth, and is situated medial to the tympanic cavity, behind the cochlea, and in front of the semicircular canals.
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