Similar words: in use, minus, minuscule, sinuous, insinuate, insinuation, insinuating, onus. Meaning: ['saɪnəs] 
n. 1. an abnormal passage leading from a suppurating cavity to the body surface 2. any of various air-filled cavities especially in the bones of the skull 3. a wide channel containing blood; does not have the coating of an ordinary blood vessel.
n. 1. an abnormal passage leading from a suppurating cavity to the body surface 2. any of various air-filled cavities especially in the bones of the skull 3. a wide channel containing blood; does not have the coating of an ordinary blood vessel. 
Random good picture Not show
211. Methods The remnant stones of bile duct after bilestone operation were performed to extract repetitiously by choledochofiberscope via T-tube sinus.
212. Objective: Introduce the use of osteotomes to elevate the sinus floor from alveolar ridge at the time of implant placement .
213. Objective : To observe the curative effect of esmolol treatment on persistent sinus tachycardia after pulmonary lobectomy.
214. Methods:Nasal polyps from 24 patients and 15 normal sinus mucosas were studied with lectin-binding histochemistry ABC.