| sigmoid | 1. Shaped like the letter S or the letter C. 2. The sigmoid colon. Origin: Gr. Sigmoeid, from the letter sigma, eidos = form (18 Nov 1997) |
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| sigmoid arteries | Origin, inferior mesenteric; distribution, descending colon and sigmoid flexure; anastomoses, left colic, superior rectal. Synonym: arteriae sigmoideae. (05 Mar 2000) |
| sigmoid colon | <anatomy> The portion of the colon that connects to the descending colon above and the rectum below. (27 Sep 1997) |
| sigmoid flexure | <anatomy> The portion of the colon that connects to the descending colon above and the rectum below. (27 Sep 1997) |
| sigmoid fossa | A broad groove in the posterior cranial fossa, first situated on the lateral portion of the occipital bone, then curving around the jugular process on to the mastoid portion of the temporal bone, and finally turning sharply on the posterior inferior angle of the parietal bone and becoming continuous with the transverse groove; it lodges the transverse sinus. Synonym: sulcus sinus sigmoidei, sigmoid fossa, sigmoid groove, sigmoid sulcus. (05 Mar 2000) |
| sigmoid groove | A broad groove in the posterior cranial fossa, first situated on the lateral portion of the occipital bone, then curving around the jugular process on to the mastoid portion of the temporal bone, and finally turning sharply on the posterior inferior angle of the parietal bone and becoming continuous with the transverse groove; it lodges the transverse sinus. Synonym: sulcus sinus sigmoidei, sigmoid fossa, sigmoid groove, sigmoid sulcus. (05 Mar 2000) |
| sigmoid kidney | Upper pole of one kidney fused with the lower pole of the other. (05 Mar 2000) |
| sigmoid lymph nodes | Nodes of the inferior mesenteric group, located along the sigmoid arteries. Synonym: nodi lymphatici sigmoidei. (05 Mar 2000) |
| sigmoid notch | The deep notch between the condylar and coronoid processes of the mandible. Synonym: incisura mandibulae, sigmoid notch. (05 Mar 2000) |
| sigmoid sinus | The S-shaped dural venous sinus lying deep to the mastoid process of the temporal bone and immediately posterior to the petrous temporal bone; it is continuous with the transverse sinus and empties into the internal jugular vein as it passes through the jugular foramen. Synonym: sinus sigmoideus. (05 Mar 2000) |
| sigmoid sulcus | A broad groove in the posterior cranial fossa, first situated on the lateral portion of the occipital bone, then curving around the jugular process on to the mastoid portion of the temporal bone, and finally turning sharply on the posterior inferior angle of the parietal bone and becoming continuous with the transverse groove; it lodges the transverse sinus. Synonym: sulcus sinus sigmoidei, sigmoid fossa, sigmoid groove, sigmoid sulcus. (05 Mar 2000) |
| sigmoid veins | The several tributaries of the inferior mesenteric vein that drain the sigmoid colon. Synonym: venae sigmoideae. (05 Mar 2000) |
| sigmoid volvulus | Relatively common location of volvulus, with obstruction either proximal or distal to the sigmoid segment. (05 Mar 2000) |
| sigmoidal | <sigmat/. <anatomy> Curved in two directions, like the letter S, or the Greek Sigmoid flexure See Semilunar valves, under Semilunar. Origin: Gr.; sigma + form, likeness: cf. F. Sigmoide. Source: Websters Dictionary (01 Mar 1998) |
| sigmoidectomy | Excision of the sigmoid colon. Origin: sigmoid-+ G. Ektome, excision (05 Mar 2000) |
Synonyms : Sigmoidoscopic Surgery, Surgery, Sigmoidoscopic, Procedure, Sigmoidoscopic Surgical, Procedures, Sigmoidoscopic Surgical, Proctosigmoidoscopies, Sigmoidoscopic Surgeries, Sigmoidoscopic Surgical Procedure, Sigmoidoscopies, Surgeries, Sigmoidoscopic
Synonyms : Language, Sign, Languages, Sign, Sign Languages
Synonyms : Signal Detection Analysis, Signal Detection Theory, Analyses, Signal Detection, Analysis, Signal Detection, Detection, Signal (Psychology), Detections, Signal (Psychology), Signal Detection Analyses, Signal Detection Theories, Signal Detections (Psychology)
Synonyms : Computer-Assisted Signal Interpretation, Computer-Assisted Signal Interpretations, Computer-Assisted Signal Processing, Interpretation, Computer-Assisted Signal, Interpretations, Computer-Assisted Signal, Signal Interpretation, Computer Assisted
Synonyms : Particle, Signal Recognition, Recognition Particle, Signal
| sigmoid flexure |
sigmoid colon: the s-shaped curve between the descending colon and the rectum
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| sigmoid sinus |
an S-shaped dural sinus on the temporal and occipital bones
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| sigmoidectomy |
surgical removal of part or all of the sigmoid colon (usually to remove a malignant tumor)
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| sigmoidoscope |
an endoscope (a flexible fiberoptic probe) for examining the sigmoid colon
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| sigma. |
the 18th letter of the Greek alphabet
Ãâó: wordnet.princeton.edu/perl/webwn
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| SIG | catch sight of |
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| SIG | a draft payable on presentation |
| SIG | a joke whose effect is achieved by visual means rather than by speech (as in a movie) |
| SIG | play or perform music by reading it off the sheet |
| SIG | able to see |
| SIG | use of the faculty of vision |
| SIG | the act of observing |
| SIG | lacking sight |
| SIG | lack of sight |
| SIG | visually appealing |
| SIG | perform music from a score without having seen the score before |
| SIG | a performer who reads without preparation or prior acquaintance (as in music) |
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