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Mastoid Bone (Noun)

Meaning

Process of the temporal bone behind the ear at the base of the skull.

Classification

Nouns denoting body parts.

Examples

  • The mastoid bone is a vital part of the temporal bone, which forms the outer ear canal and provides attachment for muscles involved in facial expression.
  • Behind the ear, the mastoid bone serves as an attachment point for the sternocleidomastoid muscle, a muscle involved in turning the head and neck.
  • Anatomists define the mastoid bone as a small air-filled chamber in the petrous portion of the temporal bone located just behind the ear canal.
  • Dysfunction or disease of the mastoid bone can cause complications for hearing, as the small chamber in this part of the skull connects with the inner ear through a short passageway.
  • Exposure to a low level of bone growth factor increases osteogenesis of mastoid bone in chronic suppurative otitis media with effusion in rat.

Synonyms

  • Mastoid Process
  • Mastoidal
  • Mastoid

Hypernyms

  • Outgrowth
  • Process
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