| sigmoid | (adj) curved in two directions (like the letter S) |
| sigmoid | (adj) of or relating to the sigmoid flexure in the large intestine, Syn. sigmoidal |
| sigmoid colon | (n) the s-shaped curve between the descending colon and the rectum, Syn. sigmoid flexure |
| sigmoidectomy | (n) surgical removal of part or all of the sigmoid colon (usually to remove a malignant tumor) |
| sigmoidoscope | (n) an endoscope (a flexible fiberoptic probe) for examining the sigmoid colon, Syn. flexible sigmoidoscope |
| sigmoidoscopy | (n) visual examination (with a sigmoidoscope) of the lower third of the colon in a search for polyps, Syn. flexible sigmoidoscopy |
| sigmoid sinus | (n) an S-shaped dural sinus on the temporal and occipital bones, Syn. sinus sigmoideus |
| sigmoid vein | (n) tributaries of the inferior mesenteric vein; drains the sigmoid colon, Syn. vena sigmoideus |
| Sigmoidal |
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| Sigmoidally | adv. In a sigmoidal manner. [ 1913 Webster ] |
| sigmoid; sigmoidal; s-förmig { adj } | sigmoid; sigmoidal [Add to Longdo] |