| Exposed zeolites weather rapidly, and consequently good material can be found only in freshly opened cavities. |
| Active core rewarming also can be accomplished by warm lavage of several body cavities. |
| They are cavity nesters that historically nested in tree cavities, old woodpecker holes, rotted pilings, and other natural cavities. |
| Other dental infections, such as cavities and abscessed teeth, may also increase the chances of cardiovascular-related death. |
| Just beneath the surface of receptacles are spherical cavities called conceptacles where gametes are produced. |
| The quetzals have nowhere to go, so they nest in tree cavities within easy reach of the toucans who feast on quetzal eggs and chicks. |
