Air-filled spaces located within the bones around the NASAL CAVITY. They are extensions of the nasal cavity and lined by the ciliated NASAL MUCOSA. Each sinus is named for the cranial bone in which it is located, such as the ETHMOID SINUS; the FRONTAL SINUS; the MAXILLARY SINUS; and the SPHENOID SINUS.

Annotation

general, prefer specifics; inflammation = SINUSITIS but do not add PARANASAL SINUSES for "paranasal" or "nasal" sinusitis

DUI

D010256 MeSH Browser

CUI

M0015894