| Answer | Crossword Clue |
|---|---|
| pericycles | PERICYCLE, the outermost layer or layers of the central cylinder |
| pericyclic | relating to the pericycle, the outermost layer or layers of the central cylinder |
| pericycle | the outermost layer or layers of the central cylinder |
| gastrulas | metazoan embryo in an early state of germ layer formation following the blastula stage, consisting of a cuplike body of two layers of cells, the ectoderm and endoderm, enclosing a central cavity, or archenteron, that opens to the outside by the blastopore |
| gastrula | metazoan embryo in an early state of germ layer formation following the blastula stage, consisting of a cuplike body of two layers of cells, the ectoderm and endoderm, enclosing a central cavity, or archenteron, that opens to the outside by the blastopore |
