celoma


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Noun1.celoma - a cavity in the mesoderm of an embryo that gives rise in humans to the pleural cavity and pericardial cavity and peritoneal cavityceloma - a cavity in the mesoderm of an embryo that gives rise in humans to the pleural cavity and pericardial cavity and peritoneal cavity
bodily cavity, cavum, cavity - (anatomy) a natural hollow or sinus within the body