sinus
| 1. |
(noun) any of various air-filled cavities especially in the bones of the skull |
|
Related Words: bodily cavity, cavity, cavum, ethmoidal sinus, frontal sinus, maxillary sinus, paranasal sinus, sinus ethmoidales, sinus paranasales |
|
| 2. |
(noun) a wide channel containing blood; does not have the coating of an ordinary blood vessel |
|
Synonyms: venous sinus |
|
Related Words: canal, cavernous sinus, channel, coronary sinus, duct, sigmoid sinus, sinus cavernosus, sinus coronarius, sinus rectus, sinus sigmoideus, sinus transversus, straight sinus, tentorial sinus, transverse sinus |
|
| 3. |
(noun) an abnormal passage leading from a suppurating cavity to the body surface |
|
Synonyms: fistula |
|
Related Words: passage, passageway |
|
|