What is the function of the stapes?
The stapes, which is the smallest bone in the human body, is also the last of the three auditory ossicles. It is connected to the oval window, and drives the fluid in the cochlea, producing a traveling wave along the basilar membrane.
What Innervates the Stapedius muscle?
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 the function of Stapedius muscle?
In most of the literatures the stapedius muscle is explained as the smallest skeletal muscle in the human body. Its purpose is to stabilise the smallest bone in the body.
What is malleus incus and stapes?
The middle ear consists of the tympanic membrane and the bony ossicles called the malleus, incus, and stapes. These three ossicles connect the tympanic membrane to the inner ear allowing for the transmission of sound waves.
What does the stapedius nerve do?
At just over one millimeter in length, its purpose is to stabilize the smallest bone in the body, the stapes or strirrup bone of the middle ear….Stapedius muscle.
|Nerve||Facial nerve (nerve to stapedius)|
|Actions||Control the amplitude of sound waves to the inner ear|
How do the malleus incus and stapes work together?
The eardrum is connected to the malleus, one of three small bones of the middle ear. Also called the hammer, it transmits sound vibrations to the incus, which passes them to the stapes. The stapes pushes in and out against a structure called the oval window.
What’s another term for malleus?
Malleus Synonyms – WordHippo Thesaurus….What is another word for malleus?