Boehmler et al., 2004 - Evolution and expression of D2 and D3 dopamine receptor genes in zebrafish. Developmental dynamics : an official publication of the American Association of Anatomists   230(3):481-493 Full text @ Dev. Dyn.

Fig. 4 Expression of the dopamine receptor drd2a gene. A–D: Lateral views of embryos at mid-somitogenesis (15-somite stage, A), 24 hours postfertilization (hpf, B), 36 hpf (C), and 48 hpf (D). E,F: Differential interference contrast microscopy (DIC) images at 48 hpf. G: At 5 dpf (dorsal view). H: DIC image of a 5 dpf embryo. D, diencephalon; E, epiphysis; H, hindbrain; M, midbrain; R, rhombomere; SC, spinal cord; TE, tectum; TG, tegmentum.

Fig. 5 Expression of the drd2b gene. A: A 24 hours postfertilization (hpf) embryo (lateral view). B: Differential interference contrast microscopy (DIC) image of a 24 hpf embryo. C: At 36 hpf (lateral view). D: DIC image of a 36 hpf embryo. E: At 48 hpf (lateral view). F: 5 dpf (lateral view). D, diencephalon; E, epiphysis; H, hindbrain; R, rhombomere; SC, spinal cord; T, telencephalon; TE, tectum; TG, tegmentum. The unstained otic vesicle (OV) is shown for orientation.

Fig. 6 Expression of the drd2c gene. A: At mid-somitogenesis (15-somite stage, lateral view). B: At 24 hours postfertilization (hpf; tail, lateral view). C: At 24 hpf (head, lateral view). D: At 36 hpf (lateral view). E,F: Differential interference contrast microscopy (DIC) images of a 36 hpf embryo. G: At 48 hpf (lateral view). H: At 5 dpf (dorsal view). D, diencephalon; H, hindbrain; N, notochord; R, rhombomere; RGC, retinal ganglion cell layer; RIC, retinal intermediate cell layer; SC, spinal cord; T, telencephalon; TG, tegmentum.

Fig. 7 Expression of the dopamine receptor D3 gene drd3. A–D: Lateral views of embryos at mid-somitogenesis (A), 24 hours postfertilization (hpf; tail, B), 24 hpf (head, C), and 36 hpf (D). E: Differential interference contrast microscopy (DIC) image at 36 hpf. F: At 48 hpf (lateral view). G: At 5 dpf (dorsal view). D, diencephalon; H, hindbrain; MY, myotomes; RGC, retinal ganglion cell layer; S, somites; SC, spinal cord; T, telencephalon; TG, tegmentum.

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Acknowledgments:
ZFIN wishes to thank the journal Developmental dynamics : an official publication of the American Association of Anatomists for permission to reproduce figures from this article. Please note that this material may be protected by copyright. Full text @ Dev. Dyn.