| sigmoid vein |
tributaries of the inferior mesenteric vein; drains the sigmoid colon
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|---|---|
| sigmoidal |
sigmoid: of or relating to the sigmoid flexure in the large intestine
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| sigmoid- |
curved in two directions (like the letter S) of or relating to the sigmoid flexure in the large intestine
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| sigmoidoscopy |
visual examination (with a sigmoidoscope) of the lower third of the colon in a search for polyps
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| sign |
a perceptible indication of something not immediately apparent (as a visible clue that something has happened); "he showed signs of strain"; "they welcomed the signs of spring" a public display of a (usually written) message; "he posted signs in all the shop windows" signal: any communication that encodes a message; "signals from the boat suddenly stopped" signboard: structure displaying a board on which advertisements can be posted; "the highway was lined with signboards" mark with one's signature; write one's name (on); "She signed the letter and sent it off"; "Please sign here" approve and express assent, responsibility, or obligation; "All parties ratified the peace treaty"; "Have you signed your contract yet?" sign of the zodiac: (astrology) one of 12 equal areas into which the zodiac is divided (medicine) any objective evidence of the presence of a disorder or disease; "there were no signs of asphyxiation" be engaged by a written agreement; "He signed to play the casino on Dec. 18"; "The soprano signed to sing the new opera" polarity: having an indicated pole (as the distinction between positive and negative electric charges); "he got the polarity of the battery reversed"; "charges of opposite sign" engage by written agreement; "They signed two new pitchers for the next season" augury: an event that is experienced as indicating important things to come; "he hoped it was an augury"; "it was a sign from God" communicate silently and non-verbally by signals or signs; "He signed his disapproval with a dismissive hand gesture"; "The diner signaled the waiters to bring the menu" a gesture that is part of a sign language place signs, as along a road; "sign an intersection"; "This road has been signed" a fundamental linguistic unit linking a signifier to that which is signified; "The bond between the signifier and the signified is arbitrary"--de Saussure communicate in sign language; "I don't know how to sign, so I could not communicate with my deaf cousin" a character indicating a relation between quantities; "don't forget the minus sign" bless: make the sign of the cross over someone in order to call on God for protection; consecrate gestural: used of the language of the deaf
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