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Word

sinus, n.
more info a wide channel containing blood; does not have the coating of an ordinary blood vessel
<noun.body>

sinus venous sinus
semantic pointers
hypernym
duct, epithelial duct, canal, channel
hyponym
cavernous sinus, sinus cavernosus coronary sinus, sinus coronarius sigmoid sinus, sinus sigmoideus straight sinus, tentorial sinus, sinus rectus transverse sinus, sinus transversus
more info any of various air-filled cavities especially in the bones of the skull
<noun.body>

sinus
semantic pointers
hypernym
cavity, bodily cavity, cavum
hyponym
ethmoid sinus, ethmoidal sinus, sinus ethmoidales frontal sinus maxillary sinus paranasal sinus, sinus paranasales, nasal sinus
more info an abnormal passage leading from a suppurating cavity to the body surface
<noun.body>

fistula sinus
lexical pointers
derivationally related form
fistular fistulous
semantic pointers
hypernym
passage, passageway