Answer | Crossword Clue |
---|---|
calicle | cuplike depression or formation, as in corals |
calicles | cuplike depression or formation, as in corals |
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 |