 orifice |
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| 1. | [ noun ] (anatomy,zoology) an aperture or hole opening into a bodily cavity | |
| Synonyms: | porta opening | |
| Examples: | "the orifice into the aorta from the lower left chamber of the heart" |
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| Related terms: | passage mouth os vent cervix cardia aortic_orifice fenestra urethral_orifice spiracle blastopore anus pylorus naris fontanelle porta_hepatis introitus rima stoma ostium open | |
| Similar spelling: |
Orefice orphic Orvis |
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