mastoid cell


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Related to mastoid cell: Mastoid air cells

mastoid cell

[′ma‚stȯid ‚sel]
(anatomy)
One of the compartments in the mastoid portion of the temporal bone, connected with the mastoid antrum and lined with a mucous membrane. Also known as mastoid air cell; mastoid sinus.
References in periodicals archive ?
Mild enlargement of the left mastoid cells and discrete elevation of the left petrous ridge were also present (Figures 2A and 2B).
MR angiography revealed persistence of pansinusitis (maxillary, sphenoid and ethmoid sinuses), hypoplastic frontal sinus and left mastoid cells with hyperdens material, incompletely obstructed and constitutional changes of blood vessels (Figure 4.
Intraoperatively, granulation tissue and a small abscess were discovered over the mastoid cells.