old engraved illustration of the aortic valve, one of four valves in the heart, situated between the left ventricle and the aorta - 左心室 個照片及圖片檔
old engraved illustration of capillaries, showing the shape and arrangement of the cells which make their wall - 左心室 個照片及圖片檔
old engraved illustration of diagram to show the course of the blood in passing from a given point through the two sets of capillaries to the starting point - 左心室 個照片及圖片檔
Anatomy of a horse. Chest cavity exposed 1, heart or vena cava 2, left ventricle 3, and lungs 4. Handcoloured copperplate engraving by J. Pass after...
