Ear Attic Anatomy

A 26 year old member asked.

Ear attic anatomy.

Other articles where epitympanum is discussed. These air spaces function as sound receptors provide voice resonance act as acoustic insulation and dissipation provide protection from physical damage and reduce the mass of the. Cavity proper below and the epitympanum above. A slight constriction divides it into an upper and a lower chamber the tympanum tympanic cavity proper below and the epitympanum above.

It consists of three parts. What should i do. Blood supply of labyrinth. The outer lateral wall of the middle ear space is formed by the tympanic membrane.

The cavity of the middle ear is a narrow air filled space. It is separated from the external ear by the tympanic membrane and from the inner ear by the medial wall of the tympanic cavity. Internal ear bony labyrinth. The middle ear space roughly resembles a rectangular room with four walls a floor and a ceiling.

These chambers are also referred to as the atrium and the attic respectively. Prussack space space between pars flacida laterally and neck of malleus medially. It contains the three auditory ossicles whose purpose is to transmit sound vibrations from the tympanic membrane to the oval window of the lateral wall of the inner ear. 19 years experience family medicine.

I know my right ear anatomy is the same as the left. The vestibule the semicircular canals and the cochlea. When cells clump together they can form a cyst a small sac that s filled with air fluid or something else. My right ear is sore and swollen and when i tug my ear the pain is inevitable.

The mastoid antrum tympanic antrum antrum mastoideum valsalva s antrum is an air space in the petrous portion of the temporal bone communicating posteriorly with the mastoid cells and anteriorly with the epitympanic recess of the middle ear via the aditus to mastoid antrum entrance to the mastoid antrum. Upon reaching the posterolateral wall of the attic further expansion of the cholesteatoma is deflected superiorly toward the aditus ad antrum and mastoid antrum. Sometimes skin cells inside your ear can do this and cause a lump called a. Epitympanum attic middle ear cavity above the level of anterior and posterior malleolar folds contains o head of malleus body of incus ossicular ligaments and mucosal folds.