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orifice
has definitions from the fields of anatomy,zoology
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[ noun ] (anatomy,zoology) an aperture or hole opening into a bodily cavity
Examples "the orifice into the aorta from the lower left chamber of the heart" Used in print (J. W. C. Hagstrom et al., "Debilitating muscular...)The intimal surface of the aorta was covered with confluent , yellow-brown , hard , friable plaques along its entire course , and there was a marked narrowing of the orifices of the large major visceral arteries . In particular , the orifices of the right renal and celiac_arteries were virtually occluded , and both calcified common_iliac_arteries were completely occluded . |
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