Dictionary

mastoid cell

noun

Definition of MASTOID CELL

:  one of the small cavities in the mastoid process that develop after birth and are filled with air

First Known Use of MASTOID CELL

1800

mastoid cell

noun    (Medical Dictionary)

Medical Definition of MASTOID CELL

:  one of the small cavities in the mastoid process that develop after birth and are filled with air—called also mastoid air cell

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