Sigma Theta Tau
The international honor society for nursing. Membership is by invitation to baccalaureate and graduate nursing students, who demonstrate excellence in scholarship, and to community leaders exhibiting exceptional achievements in nursing.
More than a quarter million nurse scholars have been inducted into Sigma Theta Tau. Sixty percent of the currently active 120,000 members in Sigma Theta Tau hold master’s and/or doctoral degrees. More than 60% are clinicians, 23% are administrators or supervisors, and 17% are educators or researchers.
Sigma Theta Tau was founded in 1922 by six nursing students at Indiana University to “advance the status of nursing as a profession.”
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In human anatomy, the lower colon (the lower portion of the large bowel). Sigmoid is short for sigmoid colon. From the Greek letter sigma, which is shaped like a C. Sigmoid also means curved in two directions like the letter S. For example, a sigmoid curve is an S-shaped curve.
- Sigmoidoscope
A lighted instrument that is used to view the inside of the lower colon.
- Sigmoidoscopy
A procedure in which a physician inserts a viewing tube (sigmoidoscope) into the rectum for the purpose of inspecting the lower colon and rectum. If an abnormal area is detected, a biopsy can be performed.
- Sigmoidoscopy, flexible
Inspection of the inside of the rectum and lower part of the colon using a thin flexible lighted tube (a flexible sigmoidoscope). This procedure may be done to find the cause of diarrhea, constipation, abdominal pain, intestinal bleeding or look for polyps or cancer. With flexible sigmoidoscopy, the physician can see bleeding, inflammation, abnormal growths, […]
- Sign
Any objective evidence of disease, as opposed to a symptom, which is, by nature, subjective. For example, gross blood in the stool is a sign of disease; it is evidence that can be recognized by the patient, physician, nurse, or someone else. Abdominal pain is a symptom; it is something only the patient can perceive.