Diagram of Fetal Circulation Small 196×320 Medium 393×640 Large 628×1024 Download Tiff Original 1472×2400 | (3.3 MB) Description Diagram of fetal circulation. Keywords circulation, circulatory, fetus, pregnancy Galleries Human Embryonic and Fetal Development Source: Baker, W. Morrant & Harris, Vincent Dormer Kirkes' Hand-book of Physiology, 13th ed. (Philadelphia: P. Blakiston's Son & Co., 1892) 831