maxillary sinus

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Related to antrum of Highmore: maxillary antrum

maxillary sinus

[′mak·sə‚ler·ē ′sī·nəs]
(anatomy)
A paranasal air cavity in the body of the maxilla. Also known as maxillary air sinus; maxillary antrum.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.