PKD3 expression at embryonic stage E10. Immunohistochemistry was performed on sagittal sections (6 μm) of E10 mouse embryos. (A) – (B) Control sections incubated without primary antibody. (C) – (I) Sections incubated with anti-PKD3 antibody (1:2000). ac: atrial chamber, ba: branchial arch, da: dorsal aorta, dm: dermomyotome, flb: forelimb bud, hlb: hindlimb bud, nc: notochord, np: nasal process, nt: neural tube, op: olfactory pit, som: somites, vh: ventricular chamber of heart. Scale bars: 100 μm.