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Summary Stage Literature (1477) Attributions Wiki

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: cleavage stage Succeeded By: gastrula stage

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