Assertion: diaphragm | /r/HasProperty | medical device
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Source sentences:
text: As nouns the difference between diaphragm and pessary is that diaphragm is (anatomy) in mammals, a sheet of muscle separating the thorax from the abdomen, contracted and relaxed in respiration to draw air into and expel air from the lungs; also called thoracic diaphragm while pessary is a medical device similar to the outer ring of a contraceptive diaphragm, most commonly used to support a displaced uterus; also called therapeutic pessary.