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The mastoid process is the portion of the temporal bone of the skull that is behind the ear. The mastoid process contains open, air-containing spaces . [ 2 ] [ 3 ] Mastoiditis is usually caused by untreated acute otitis media (middle ear infection) and used to be a leading cause of child mortality.
The mastoid cells (also called air cells of Lenoir or mastoid cells of Lenoir) are air-filled cavities within the mastoid process of the temporal bone of the cranium. The mastoid cells are a form of skeletal pneumaticity. Infection in these cells is called mastoiditis. The term cells here refers to enclosed spaces, not cells as living ...
The first potential documented case of a mastoidectomy procedure was recorded in 1524 by Lucas van Leyden as an incision behind the right ear. Abscess drainage was popularized by Adam Politzer , considered to be one of the founders of otology and initially interpreted Galen's writings on ear discharge to mean that Galen removed infected mastoid ...
The mastoid part of the temporal bone is the posterior (back) part of the temporal bone, one of the bones of the skull. Its rough surface gives attachment to various muscles (via tendons) and it has openings for blood vessels. From its borders, the mastoid part articulates with two other bones.
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At just 19 years old, Eldiara Doucette — known on social media as "Bionic Barbie" — was diagnosed with synovial sarcoma, a rare form of soft tissue cancer that affects only 1,000 people per ...
Robert F. Kennedy Jr.'s raspy voice was on full display when his high-stakes confirmation hearing got underway Wednesday -- as lawmakers grilled President Trump’s controversial pick to lead the ...
Battle's sign, also known as mastoid ecchymosis, is an indication of fracture of middle cranial fossa of the skull. These fractures may be associated with underlying brain trauma . Battle's sign consists of bruising over the mastoid process as a result of extravasation of blood along the path of the posterior auricular artery . [ 1 ]