Figure 1.
Stage 37 living medaka embryo showing mandible between eyes, forebrain, heart under mouth and lft. & rt. ducts of Cuvier. Contraction of ventricle deforms oil droplet of yolk sac (arrow). Bar = 0.1 mm.
Hinton et al. Comparative Hepatology 2004 3(Suppl 1):S30 doi:10.1186/1476-5926-2-S1-S30