释义 |
blas·tu·la \ˈblaschələ\ noun (plural blastulas \-ləz\ ; or blastu·lae \-ˌlē\) Etymology: New Latin, from blast- + -ula : an early metazoan embryo typically having the form of a hollow fluid-filled rounded cavity bounded by a single layer of cells — compare gastrula, morula • blas·tu·lar \-_lə(r)\ adjective [section of blastula: c blastocoel, ma macromere, mi micromere, a animal pole, v vegetal pole] |