Atlas de Anatomia do Corpo Humano - Central

The atlas of human body

Stapedius
Stapedius

A tiny muscle that arises from the posterior wall of the TYMPANIC CAVITY of MIDDLE EAR with its tendon inserted onto the neck of the STAPES. Stapedius pulls the stapes posteriorly and controls its movement.

Tensor Tympani
Tensor Tympani

A short muscle that arises from the pharyngotympanic tube (EUSTACHIAN TUBE) and inserts into the handle of the MALLEUS. This muscle pulls the handle medially thus controlling the tension and movement of TYMPANIC MEMBRANE.

Glomus Tympanicum
Glomus Tympanicum

A highly vascular ovoid body of chemoreceptive tissue lying adjacent to the TYMPANIC CAVITY. It is derived from NEURAL CREST tissue and is considered part of the diffuse neuroendocrine system. It is the site of a rare neoplasm called a GLOMUS TYMPANICUM TUMOR.

Ear, Middle
Ear, Middle

The space and structures directly internal to the TYMPANIC MEMBRANE and external to the inner ear (LABYRINTH). Its major components include the AUDITORY OSSICLES and the EUSTACHIAN TUBE that connects the cavity of middle ear (tympanic cavity) to the upper part of the throat.

Ear Ossicles
Ear Ossicles

A mobile chain of three small bones (INCUS; MALLEUS; STAPES) in the TYMPANIC CAVITY between the TYMPANIC MEMBRANE and the oval window on the wall of INNER EAR. Sound waves are converted to vibration by the tympanic membrane then transmitted via these ear ossicles to the inner ear. Stapes Surgery;

Stapes
Stapes

One of the three ossicles of the middle ear. It transmits sound vibrations from the INCUS to the internal ear (Ear, Internal see LABYRINTH).

Incus
Incus

One of three ossicles of the middle ear. It conducts sound vibrations from the MALLEUS to the STAPES.

Malleus
Malleus

The largest of the auditory ossicles, and the one attached to the membrana tympani (TYMPANIC MEMBRANE). Its club-shaped head articulates with the INCUS.

Eustachian Tube
Eustachian Tube

A narrow passageway that connects the upper part of the throat to the TYMPANIC CAVITY.

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