A diagram of the human skeleton, circa 1900. (Photo by Hulton Archive/Getty Images) 白色背景 解剖 人类的表示形式 Human Skeleton
A diagram of the human intestines. 'Figura de Situ Viscerum' From Magnus Hundt's 'Antropologium de Hominis Dignitate, Natura et Proprietatibus', Leipzig, 1501. (Photo by Hulton Archive/Getty Images) 人类肺癌 白色背景 解剖 Figura De Situ Viscerum
A diagram showing back and side views of the human skeleton, circa 1900. (Photo by Hulton Archive/Getty Images) 白色背景 解剖 人类的表示形式 Human Skeletons
An anatomical diagram consisting of a vertical cross-section of the human head, and showing the relations of the nasal and buccal cavities and the pharynx and larynx, circa 1930. (Photo by Hulton Archive/Getty Images) 白色背景 1930-1939 人类的嘴 Vertical Section