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Figure 3. Forebrain histological analysis of voltage-gated calcium channel (VGCC) alpha 1 subunit expression in stages 35-37 (swimming tadpole) Xenopus laevis using whole-mount in situ hybridization. A-J: Transverse 18- mu m sections within the forebrain region of the anterior-posterior axis, with dorsal to the top. A: CaV1.1 expression. B: CaV1.2 expression. C: CaV1.3 expression. D: CaV1.4 expression. E: CaV2.1 expression. F: CaV2.2 expression. G,H: CaV3.1 expression. I,J: CaV3.2 expression. Arrowheads indicate regions of expression. fb, forebrain; e, eye; ht, heart; oe, olfactory epithelium; pa, pharyngeal arches; pg, pineal gland. Scale bar = 0.25 mm. |