Fabricus ab Aquapendente

Fa·bri·cus ab A·qua·pen·den·te

(fă-brĭsh′ē-əs ăb ăk′wə-pĕn-dĕn′tē), Hieronymus 1537-1619.
Italian anatomist who gave the first detailed descriptions (1603) of the semilunar valves of the veins and established embryology as a medical discipline with his comparative studies of human and animal fetal development.