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Fig. 10. Late archenteron formation in Xdd1-injected embryos. (A) Sagittal view of a
tailbud stage control embryo imaged using SIM. (a') Tranverse view of
the embryo shown in A. (B) Sagittal view of a tailbud stage Xdd-1 injected
embryo imaged using SIM. (b') Tranverse view of the embryo shown in B.
Despite severe disruption of convergent extension in the dorsal axis, the
archenteron forms and elongates to cover the entire head-to-tail length.