The mastoid antrum (tympanic antrum, antrum mastoideum, Valsalva's antrum) is an air space in the petrous portion of the temporal bone, communicating...

mucosa that is continuous with that of the mastoid antrum and tympanic cavity.: 746  They may excavate the mastoid process to its tip, and be separated from...

it may refer specifically to: Antrum follicularum, the cavity in the epithelium that envelops the oocyte Mastoid antrum, a cavity between the middle ear...

aditus to mastoid antrum (otomastoid foramen) is a large, irregular opening upon the posterior wall of the tympanic cavity by which the mastoid antrum (situated...

called the tympanic antrum and must be distinguished from the mastoid cells, though it communicates with them. Like the mastoid cells, it is filled with...

suprameatal pit, mastoid fossa, foveola suprameatica, or Macewen's triangle, through which an instrument may be pushed into the mastoid antrum. In the adult...

inflammation of the mucosal lining of the mastoid antrum and mastoid air cell system inside the mastoid process. The mastoid process is the portion of the temporal...

The mastoid antrum is situated posterior to the recess and opens into the recess at the posterior wall of the recess via the aditus to mastoid antrum.: 416 ...

between the petrous and squamosal portions of the mastoid air cells, at the anatomic level of the mastoid antrum. Along with the middle ear ossicles, it is usually...

window Sinus tympani Round window Mastoid wall (posterior wall) Aditus to mastoid antrum Pyramidal eminence Mastoid antrum Auditory ossicles Stapes Incus...