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Summary Stage Literature (1484) Attributions Wiki
XB-STAGE-5

Name: blastula stage

XAO ID: 1000003

Definition: "Embryonic stage during which the solid morula acquires an internal cavity, comprising Nieuwkoop and Faber stages 7 to 9."


Preceded By: NF stage 6.5 Succeeded By: NF stage 7

Component Stages:  NF stage 7, NF stage 8, NF stage 9