Synonyms for paranasal sinus | Synonym.com

Synonyms and antonyms for paranasal sinus

1. paranasal (adj.)

adjacent to the nasal cavities

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2. sinus (n.)

an abnormal passage leading from a suppurating cavity to the body surface

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3. sinus (n.)

a wide channel containing blood; does not have the coating of an ordinary blood vessel

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4. sinus (n.)

any of various air-filled cavities especially in the bones of the skull

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