(medicine) A surgical operation in which an incision is made in a sinus.

In a sinusoidal manner

(mathematics) A curve having the shape of a sine wave. / (anatomy) Any of several channels through which venous blood passes in various organs.

(mathematics) sinusoidal. / (anatomy) Characteristic of a sinus.

plural of paranasal sinus

plural of maxillary sinus

plural of sphenoidal sinus

plural of frontal sinus

plural of sphenoid sinus

plural of sinusotomy