Health / Medical Topics |
Signal
A detectable physical quantity or impulse (e.g., voltage, current, or magnetic field strength). (NCI Thesaurus)
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Objective evidence of disease perceptible to the examining practitioner (sign) and subjective evidence of disease perceived by the patient (symptom).
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A system of hand gestures used for communication.
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In medicine, a sign is something found during a physical exam or from a laboratory test that shows that a person may…
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Removal of tissue from the sigmoid colon for microscopic examination, using an endoscope.
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Examination of the lower colon using a sigmoidoscope, inserted into the rectum. A sigmoidoscope is a thin, tube-like instrument with a light…
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A thin, tube-like instrument used to examine the inside of the colon. A sigmoidoscope has a light and a lens for viewing…
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