in situ hybridization depicting the expression patterns of endogenous zebrafish LMX1A and LMX1B orthologs. Expression of lmx1a (A-D), lmx1a-like (E-H), lmx1ba (I-L) and lmx1bb (M-P) are shown, assayed at 48 hpf and 72 hpf. Abbreviations: Am – Amacrine neurons, CG – Cranial Ganglia, DD – Dorsal Diencephalon, dHB – Dorsal Hindbrain, Ep – Epiphysis, H – Heart, Hb – Hindbrain, Mb-Hb – midbrain-hindbrain boundary, OV – otic vesicle, RL – rhombic lip, RNa – anterior raphe nuclei, RNp – posterior raphe nuclei, VD – ventral diencephalon. Anterior is shown to the left in each panel.