What bone protects the inner ear?

The temporal bone surrounds the ears and protects nerves and structures that play a role in controlling hearing and balance. Sound enters the ear canal and makes the tiny bones (ossicles) inside the ear vibrate.

What is the inner ear protected by?

The inner ear has two special jobs. It changes sound waves to electrical signals (nerve impulses). This allows the brain to hear and understand sounds. The inner ear is also important for balance.

What bones are in the inner ear?

Three small bones that are connected and transmit the sound waves to the inner ear.


  • Malleus.
  • Incus.
  • Stapes.

What protects the ear from loud noises anatomy?

The tensor tympani is a muscle within the middle ear, located in the bony canal above the bony part of the auditory tube, and connects to the malleus bone. Its role is to dampen loud sounds, such as those produced from chewing, shouting, or thunder.

Which is found inside the membranous labyrinth?

The membranous labyrinth contains fluid called endolymph. The walls of the membranous labyrinth are lined with distributions of the cochlear nerve, one of the two branches of the vestibulocochlear nerve. The other branch is the vestibular nerve.

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What are the 3 bones in the ear called?

The middle ear contains three tiny bones: Hammer (malleus) — attached to the eardrum. Anvil (incus) — in the middle of the chain of bones. Stirrup (stapes) — attached to the membrane-covered opening that connects the middle ear with the inner ear (oval window)

What is stirrup bone?

Stapes bone is the smallest bone in our body. It is the innermost bone of our auditory ossicles in the middle ear, which are responsible for transmitting sound waves from the air outside to the fluid-filled labyrinth (cochlea).

What is the tympanic membrane of the ear?

The tympanic membrane is also called the eardrum. It separates the outer ear from the middle ear. When sound waves reach the tympanic membrane they cause it to vibrate. The vibrations are then transferred to the tiny bones in the middle ear.

What nerve supplies Stapedius?

The branches of the facial nerve: The nerve to stapedius innervates the stapedius muscle. The communicating branch with the tympanic plexus runs in the mucous membrane of the tympanic cavity and ramifies in the tympanic plexus of the glossopharyngeal nerve.

What is your inner ear called?

inner ear, also called labyrinth of the ear, part of the ear that contains organs of the senses of hearing and equilibrium. The bony labyrinth, a cavity in the temporal bone, is divided into three sections: the vestibule, the semicircular canals, and the cochlea.

What bony stem is the cochlea wrapped around?

The cochlea is made up of three canals wrapped around a bony axis, the modiolus.

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Where is the Scala Vestibuli?

The vestibular duct or scala vestibuli is a perilymph-filled cavity inside the cochlea of the inner ear that conducts sound vibrations to the cochlear duct. It is separated from the cochlear duct by Reissner’s membrane and extends from the vestibule of the ear to the helicotrema where it joins the tympanic duct.

Which of the following are the structures of the inner ear?

Inner ear , consisting of:

  • Cochlea. This contains the nerves for hearing.
  • Vestibule. This contains receptors for balance.
  • Semicircular canals. This contains receptors for balance.