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Fig. 4. Expression profile of noggin1 and noggin2 at tadpole stages. (A–F) noggin1 expression at the indicated stages. (G–M) noggin2 at the indicated stages. Embryos are oriented anterior to the left. (I) is a dorsal view; all others are lateral views. (A,G) are uncleared; all others are cleared in BB/BA; (F,J,K) are photographed with Nomarsky optics. fb, forebrain; pa, pharyngeal arches; nc, notochord; nt, neural tube; e, eye; ov, otic vesicle; tb, tailbud; hb, hindbrain; s, somites; h, heart; l, liver primordium. |
