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Fig. 4. Sections of whole mount stage 28 embryo analyzed for Evi-1 expression by whole mount in situ hybridization. Panel (A): sagittal section, anterior to left. Panels (B): transverse sections through planes indicated in Fig. 1(C). The asterisk indicates an area of yolky endoderm lost during sectioning. Scale bar: 100 mm. Abbreviations: cg, cement gland; e, eye; fb, forebrain; g, gut cavity; hb, hindbrain; hm, head mesenchyme; mb, midbrain; n, notochord; op, olfactory placode; ov, otic vesicle; pfg, pharynx/foregut; pn, pronephric duct; s, stomodeal anlage; sc, spinal cord; so, somite. |
