An increase in size of a blastocyst due to expansion of the blastocoelic cavity cell shape changes and cell proliferation. [ GOC:dph https://www.worldcat.org/search?q=bn%3A0198542771 https://www.worldcat.org/search?q=bn%3A0124020607 ]
Term information
See also the Anatomical Dictionary for Mouse Development ontology terms 'TS4, blastocoelic cavity ; EMAP:17', 'TS5, blastocoelic cavity ; EMAP:27' and 'TS6, blastocoelic cavity ; EMAP:36'.