Bony labyrinth

Bony Labyrinth

The Bony Labyrinth (/ˈboʊni ˈlæbɪrɪnθ/; from Greek λαβύρινθος labúrinthos) is a complex system of passages within the temporal bones of the human skull. It is a component of the inner ear and is involved in the processes of hearing and balance.

Structure

The Bony Labyrinth consists of three main parts: the cochlea, the vestibule, and the semicircular canals. Each of these structures is filled with a fluid called perilymph, and contains a delicate, membranous structure that is filled with a different fluid, the endolymph.

Cochlea

The cochlea is a spiral-shaped structure that is responsible for the sense of hearing. It contains the organ of Corti, which is the sensory organ of hearing.

Vestibule

The vestibule is the central part of the bony labyrinth, and it is involved in the sense of balance. It contains two structures, the utricle and the saccule, which detect linear movements and changes in head position.

Semicircular Canals

The semicircular canals are three ring-like structures that are also involved in the sense of balance. They detect rotational movements of the head.

Function

The Bony Labyrinth plays a crucial role in the senses of hearing and balance. The cochlea transforms sound waves into nerve impulses that are interpreted by the brain as sound. The vestibule and semicircular canals provide information about the position and movement of the head, which helps to maintain balance.

Related Terms

External links

Medical encyclopedia article on Bony labyrinth
Wikipedia's article - Bony labyrinth

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