Using an excised pig heart preparation with tubes, a manometer, and a visualizing apparatus, Ceradini working in Carl Ludwig’s laboratory, illustrated the mechanism of closure of the semilunar valves. He was the first …
Using an excised pig heart preparation with tubes, a manometer, and a visualizing apparatus, Ceradini working in Carl Ludwig’s laboratory, illustrated the mechanism of closure of the semilunar valves. He was the first …
