mastoid

/'mæstɔid/
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Thân thiện
mastoid

A doctor points to the mastoid behind a patient's ear.

Definition

  1. Adjective:

    • Relating to or resembling a nipple: Describes something that has the shape or characteristics of a nipple or teat.
    • Of or relating to the mastoid process: Pertaining to the specific bony prominence of the temporal bone located behind the ear.

  2. Noun:

    • The mastoid process: The conical, nipple-like bony projection of the temporal bone situated behind the ear at the base of the skull.
Examples of Usage

  • Adjective:

    • The surgeon examined the mastoid region for signs of infection.
    • The bone had an unusual, slightly mastoid shape.

  • Noun:

    • Inflammation of the air cells within the mastoid can lead to a serious condition called mastoiditis.
    • The blow landed just behind the ear, directly on the mastoid.
Advanced Usage

  • "Mastoid air cells": The small, air-filled cavities within the mastoid process of the temporal bone.

    • The CT scan revealed opacification of the mastoid air cells.

  • "Mastoid antrum": A cavity in the petrous part of the temporal bone that communicates with the middle ear and the mastoid cells.

    • The infection spread from the middle ear into the mastoid antrum.
Variants and Related Words

  • Mastoiditis (n): An infection or inflammation of the mastoid air cells.

    • Acute otitis media can sometimes develop into mastoiditis.

  • Mastoidectomy (n): A surgical procedure to remove part of the mastoid bone.

    • The patient required a mastoidectomy to clear the chronic infection.
Synonyms
  • Mastoidal (adj): An alternative adjective form meaning relating to the mastoid.
  • Mastoid process (n): The full anatomical term for the noun form.
Related Phrases
  • "To tap the mastoid": A clinical test where the mastoid bone is percussed to check for tenderness, which may indicate infection.
    • The physician decided to tap the mastoid to assess for mastoiditis.
mastoid

A doctor points to the mastoid behind a patient's ear.

Adjective
  1. relating to or resembling a nipple
  2. of or relating to or in the region of the mastoid process
Noun
  1. process of the temporal bone behind the ear at the base of the skull

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