MASTOID BONE Meaning and
Definition
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The mastoid bone is a thick and prominent section of the skull located behind the ear, specifically in the temporal region. It is a bony projection derived from the temporal bone, extending downward and outward from the base of the skull. The mastoid bone has a complex, irregular shape and is characterized by its honeycomb-like structure, containing interconnected air cells known as mastoid cells.
Functionally, the mastoid bone serves multiple purposes. It provides protection for delicate structures within the ear, such as the middle ear and essential components like the ossicles and the cochlea. Additionally, it serves as an attachment site for certain muscles involved in the movement of the head and neck.
In terms of anatomy, the mastoid bone forms an integral part of the lateral skull, contributing to the overall shape and structure of the head. It is easily identifiable due to its distinctive prominence behind the ear, presenting as a bony bulge that can be felt when touched.
Pathologically, the mastoid bone can be subject to various conditions or injuries that may affect its function or cause discomfort. Infections, such as mastoiditis, can lead to inflammation and the accumulation of pus within the mastoid cells. Fractures or trauma to the mastoid region can also occur, resulting in possible damage to the surrounding structures and requiring medical attention.
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M. Portion of the temporal bone.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for MASTOID BONE
- nastoid bone
- kastoid bone
- jastoid bone
- mzstoid bone
- msstoid bone
- mwstoid bone
- mqstoid bone
- maatoid bone
- maztoid bone
- maxtoid bone
- madtoid bone
- maetoid bone
- mawtoid bone
- masroid bone
- masfoid bone
- masgoid bone
- masyoid bone
- mas6oid bone
- mas5oid bone
- mastiid bone
Etymology of MASTOID BONE
The word "mastoid" originates from the Greek word "mastoeidḗs", meaning "breast-shaped". This is a combination of the Greek words "mastos", which means "breast", and "oeidḗs", meaning "resembling" or "shaped like". The term "mastoid" was used to describe the shape of this bone located behind the ear, as it resembles the shape of a breast.
Similar spelling words for MASTOID BONE
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