Sig

(sig). I. Abbreviation for signa, " label it," or for name" signetur, for urine. "let it be labeled." 2. A colloquial mus. I. Defective utterance of the sound of s. 2. Too frequent use of the s sound in speech. See Lisping. Sigmoid -moid. Bearing. S. Catheter, one shaped like an S, for pa ing into the female bladder. S. Cavities, a name applied to the depre ions on the head of the ulna; the greater is a depre ion formed by the olecranon and coronoid proce for articulation with the humerus; the le er, on the outer side of the coronoid proce , is for articulation with the radius. S. Flexure, the bend in the colon between the descending portion and the rectum. S. Gyrus, the S-shaped cerebral fold about and behind the cruciate fi ure in Carnivora. S. Me so colon, the fold of the peritoneum attaching the sigmoid flexure of the colon to the left iliac fo a. S. Notch. See Notch . S. Valves, the cardiac semilunar valves.