| Answer | Crossword Clue |
|---|---|
| ostia | OSTIUM, an opening in a bodily organ |
| ostial | pertaining to an ostium (an opening in a bodily organ) |
| ostium | an opening in a bodily organ |
| hilus | a small opening in a bodily organ, also HILUM |
| hilum | a small opening in a bodily organ, also HILUS |
| hili | HILUS, a small opening in a bodily organ, also HILUM |
| hila | HILUM, a small opening in a bodily organ, also HILUS |
| hilar | pertaining to a hilum (a small opening in a bodily organ, also HILUS) |
