| Answer | Crossword Clue |
|---|---|
| archenterons | The rudimentary alimentary cavity of an embryo at the gastrula stage |
| Answer | Crossword Clue |
|---|---|
| archenterons | The rudimentary alimentary cavity of an embryo at the gastrula stage |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.