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ECB-STAGE-35
Name: late mesenchyme blastula stage
ECAO ID: 0000360 Definition: "The skeletogenic primary mesenchyme cells (PMCs) have migrated away from the vegetal plate by extending filopodia and moving along the blastocoel wall. The vegetal plate has flattened but has not started to invaginate. The apical pole domain still bears an apical tuft of long, non-motile cilia." |
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Preceded By: mid-mesenchyme blastula stage | Succeeded By: blastopore formation stage |