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Figure 5


Fig. 5. The caudal dysmorphogenesis induced by Nog overexpression. (A,B) Dorsal view of the tail of control and Nog-overexpressing chick embryos at HH stage 35-36. (C,D) Skeletal pattern of the tail in control and Nog-overexpressing chick embryos. py, pygostyle. Scale bar: 800 µm. (E,F) Frontal view of the external genitalia of control and Nog-overexpressing chick embryos. gt, genital tubercle; sl, sulcus phalli; t, tail. Scale bar: 200 µm. (G,H) Histological analysis of the hind gut region of control and Nog-overexpressing chick embryos. Cl, cloaca; cm, cloaca membrane; re; rectum; tg, tail gut. Scale bar: 100 µm. (I,J) Hind limb fusion (arrowhead) in Nog-overexpressing chick embryos. hl; hind limb, t; tail. Scale bar: 200 µm. (J') High magnification of the boxed area in J.