Xenbase Image ID: 145913

FIG. 4. Interaction of pre- and postinvolution mesoderm with the BCR. Experimental design. Stage 10 1/2 BCR was excised and placed in a dish with the apical side down (large twisted arrow). Small pieces of involuted prospective head mesoderm (HM) and preinvolution mesoderm (PM) were placed side by side on the BCR explant (solid arrows). The explant was secured under a glass bridge and incubated in the absence (a) or presence (b) of 4 mg/ml of GRGDSP peptide. Pieces of mesoderm were also placed on the matrix- free outer surface of the inner BCR layer (dashed arrows), after removal of the apical layer (c). Image published in: Winklbauer R and Keller RE (1996) Copyright © 1996. Image reproduced with permission of the Publisher, Elsevier B. V. Larger Image Printer Friendly View

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