| blastocoel | (n) the fluid-filled cavity inside a blastula, Syn. blastocele, cleavage cavity, segmentation cavity, blastocoele |
| 割腔 | [かっこう, kakkou] (n) blastocoel; blastocoele; segmentation cavity [Add to Longdo] |
| 卵割腔 | [らんかつこう, rankatsukou] (n) (See 割腔) cleavage cavity; segmentation cavity [Add to Longdo] |