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A proctosigmoidectomy, Hartmann's operation or Hartmann's procedure is the surgical resection of the rectosigmoid colon with closure of the anorectal stump and formation of an end colostomy. It was used to treat colon cancer or inflammation (proctosigmoiditis, proctitis, diverticulitis, volvulus, etc.).
The inflection point of the sigmoid function or the point at which the function reaches the middle between the chance level and 100% is usually taken as sensory threshold. Plot the proportion of "yes" responses on the y-axis, and therefore create a sigmoidal shape covering the range [0, 1], rather than merely [0.5, 1].
Sigmoidectomy is a resection of the last part of the colon, known as the sigmoid colon, and can include part or all of the rectum (proctosigmoidectomy). Precancerous polyps and sigmoid colon cancer are common indications for sigmoidectomy.
sigmoid(o)-sigmoid, S-shaped curvature Greek σιγμοειδής (sigmoeidḗs), crescent-shaped, lunate sigma-shaped sigmoid colon: sinistr(o)-left, left side Latin sinister: sinistrocardia: sinus-of or pertaining to the sinus Latin sinus, a curve, bend, hollow cavity, bosom sinusitis: sito-food, grain Greek σῖτος (sîtos) sitophobia
Diverticulitis surgery consists of a bowel resection with or without colostomy. Either may be done by the traditional laparotomy or by laparoscopic surgery. [75] The traditional bowel resection is made using an open surgical approach, called colectomy. During a colectomy, the person is placed under general anesthesia. A surgeon performing a ...
A hand-sewn bowel anastomosis, in this case of the sigmoid colon. A surgical anastomosis is a surgical technique used to make a new connection between two body structures that carry fluid, such as blood vessels or bowel.
From ancient history to the modern day, the clitoris has been discredited, dismissed and deleted -- and women's pleasure has often been left out of the conversation entirely. Now, an underground art movement led by artist Sophia Wallace is emerging across the globe to challenge the lies, question the myths and rewrite the rules around sex and the female body.
Sigmoidoscopy ("sigma", the Greek term for letter "s/ς" + "eidos" + "scopy": namely, to look inside an "s"/"ς"-like object) is the minimally invasive medical examination of the large intestine from the rectum through to the nearest part of the colon, the sigmoid colon.