| Answer | Crossword Clue |
|---|---|
| foramens | a small opening, perforation, or orifice fenestra |
| foraminal | relating to the foramen, a small opening, perforation, or orifice |
| fenestrae | A small natural hole or opening, esp. in a bone. The mammalian middle ear is linked by the fenestra ovalis to the vestibule of the inner ear, and by the fenestra rotunda to the cochlea |
| fenestra | A small natural hole or opening, esp. in a bone. The mammalian middle ear is linked by the fenestra ovalis to the vestibule of the inner ear, and by the fenestra rotunda to the cochlea |
| ostia | small opening or orifice, as at the end of the oviduct |
| ostium | small opening or orifice, as at the end of the oviduct |
