| CELO | a cavity in the mesoderm of an embryo that gives rise in humans to the pleural cavity and pericardial cavity and peritoneal cavity |
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| CELO | a cavity in the mesoderm of an embryo that gives rise in humans to the pleural cavity and pericardial cavity and peritoneal cavity |
| CELO | annual or perennial herbs or vines of tropical and subtropical America and Asia and Africa |
| CELO | weedy annual with spikes of silver-white flowers |
| CELO | garden annual with featherlike spikes of red or yellow flowers |
| CELO | garden annual with featherlike spikes of red or yellow flowers |