. The heart and associated organs, side view. «, stage 13; 6, stage 18; r, stage «», ; CO, conus arteriosus; k, opisthonephros; /, Hver; /«, lung; oe, oesophagus; sv, sinus venosus; vc, left anterior vena cava.

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Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti