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English noun: sinus

1. sinus (body) an abnormal passage leading from a suppurating cavity to the body surface


Synonymsfistula


Broader (hypernym)passage, passageway

2. sinus (body) any of various air-filled cavities especially in the bones of the skull


Broader (hypernym)bodily cavity, cavity, cavum


Narrower (hyponym)ethmoid sinus, ethmoidal sinus, frontal sinus, maxillary sinus, nasal sinus, paranasal sinus, sinus ethmoidales, sinus paranasales

3. sinus (body) a wide channel containing blood; does not have the coating of an ordinary blood vessel


Synonymsvenous sinus


Broader (hypernym)canal, channel, duct, epithelial duct


Narrower (hyponym)cavernous sinus, coronary sinus, sigmoid sinus, sinus cavernosus, sinus coronarius, sinus rectus, sinus sigmoideus, sinus transversus, straight sinus, tentorial sinus, transverse sinus









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