ends during
starts during
embryonic structure
Brachet's cleft
Brachy's cleft
2012-05-31T11:43:41Z
xenopus_anatomy
eriksegerdell
XAO:0004456
A sharp boundary, running parallel to the outside of the embryo, between involuted mesoderm and external ectoderm. It runs from the blastopore to the upper limit of the involuted mesoderm.
NF stage 11
NF stage 21