Definition of mastoid process in English:

mastoid process

Syllabification: mas·toid proc·ess

noun

  • A conical prominence of the temporal bone behind the ear, to which neck muscles are attached, and which has air spaces linked to the middle ear.
    More example sentences
    • The first option is a vertical incision along a line connecting the sternal-clavicular junction with the mastoid process.
    • The fetal suture between the squama and the mastoid process sometimes persists in the adult.
    • The tuning fork is placed against the mastoid process to measure the conduction of sound by bone.

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