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Morphology statistics of live zebrafish embryos (72 hpf) without chorion. (a) Preprocessed image after subtracting background from the original image. (b) Binary image obtained after segmentation. The vertical and horizontal arrows indicate the EL and EW, respectively. (c) EL and (d) EW distributions of 100 zebrafish embryos (72 hpf). H, head; F, fin; I, intestine; S, somites; Y, yolk. The scale bars in (a) and (b) represent 1 mm
