| Answer | Crossword Clue |
|---|---|
| antrums | ANTRUM, a cavity in a bone |
| antrum | a cavity in a bone |
| antrum | cavity in a body organ, esp. a bone |
| antra | cavity in a body organ, esp. a bone |
| antral | cavity in a body organ, esp. a bone |
| sinuses | A cavity within a bone or other tissue, esp. one in the bones of the face or skull connecting with the nasal cavities |
| SINUS | Cavity in a bone |
| fossa | pit, cavity, or depression, as in a bone |
| fossae | pit, cavity, or depression, as in a bone |
| turbinals | Each of three thin curved shelves of bone in the sides of the nasal cavity in humans and other warm-blooded vertebrates, covered in mucous membrane |
