Synonyms and Antonyms for sinus-rectus

1. sinus rectus (n.)

an unpaired sinus of the dura mater

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2. rectus (n.)

any of various straight muscles

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3. sinus (n.)

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

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5. sinus (n.)

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

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