ear, inner defined in 1951 yearear, inner - EAR, INNER (MEMBRANOUS LABYRINTH);
ear, inner - The sense-organ of vertebrates which detects position with respect to gravity; acceleration; and sound. Lies in wall of skull (in auditory capsule) connected by auditory nerve to brain. Consists of two connected sacs containing otoliths. From one (utricle) arise semicircular canals. From other (saccule) arises organ of hearing, which is developed as the cochlea in some tetrapods. Whole inner ear is filled with a fluid (endolymph) and separated from surrounding skull wall by another fluid (perilymph).
near ear, inner in Knolik
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