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Fig. 4 RARgamma is expressed in the chordoneural hinge. (A) Diagram indicating the anatomy of the tailbud region, (B-D) Adjacent sagittal sections
of a stage 32 tailbud embryo hybridized to the full length RARgamma probe. Staining can be clearly seen to lie anterior to the neurenteric canal,
encompassing the chordoneural hinge and extending anteriorly along the floor plate of the neural tube. The diagram shown in panel (A) is
derived from the examination of serial sections. EN, endoderm: FP, floor plate of the spinal cord: NEC, neurenteric canal: PAG, postanal gut;
PW, posterior wall; SO, somite. Bar. 200 um |
