English > orifice: 1 sense > noun 1, body| Meaning | An aperture or hole that opens into a bodily cavity. |
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| Example | "the orifice into the aorta from the lower left chamber of the heart" |
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| Synonyms | opening, porta |
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| Narrower | anus | The excretory opening at the end of the alimentary canal |
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| aortic orifice | The orifice from the lower left chamber of the heart to the aorta |
| blastopore | The opening into the archenteron |
| cardia | The opening into the stomach and that part of the stomach connected to the esophagus |
| cervix, uterine cervix, cervix uteri | necklike opening to the uterus |
| fenestra | A small opening covered with membrane (especially one in the bone between the middle and inner ear) |
| fontanelle, fontanel, soft spot | Any membranous gap between the bones of the cranium in an infant or fetus |
| introitus | entrance or opening to a hollow organ or tube (especially the vaginal opening) |
| mouth | The externally visible part of the oral cavity on the face and the system of organs surrounding the opening |
| naris | Any of the openings to the nasal cavities that allow air to flow through the cavities to the pharynx |
| os | A mouth or mouthlike opening |
| porta hepatis | opening for major blood vessels to enter and leave the liver |
| pylorus | A small circular opening between the stomach and the duodenum |
| rima | A narrow elongated opening or fissure between two symmetrical parts |
| spiracle | A breathing orifice |
| stoma | A mouth or mouthlike opening (especially one created by surgery on the surface of the body to create an opening to an internal organ) |
| urethral orifice, external orifice | The orifice through which urine is discharged |
| vent | external opening of urinary or genital system of a lower vertebrate |
| Broader | passage, passageway | A path or channel or duct through or along which something may pass |
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| Spanish | abertura, orificio, porta, puerta |
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| Catalan | orifici, porta |
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