| Answer | Crossword Clue |
|---|---|
| adventitia | The outermost layer of the wall of a blood vessel |
| trophoblast | the outermost layer of cells in the morula that attaches the fertilized ovum to the uterine wall and acts as a nutritive pathway |
| trophoblasts | TROPHOBLAST, the outermost layer of cells in the morula that attaches the fertilized ovum to the uterine wall and acts as a nutritive pathway |
| adventitial | relating to the adventitia, the outermost covering of an organ or part, esp of a blood vessel |
| epispore | the outermost layer of a spore-wall |
| epispores | EPISPORE, the outermost layer of a spore-wall |
