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Home  »  Anatomy of the Human Body  »  FIG. 64

Henry Gray (1825–1861). Anatomy of the Human Body. 1918.

FIG. 64




Transverse section of a human embryo of the third week to show the differentiation of the primitive segment. (Kollmann.) ao. Aorta. m.p. Muscle-plate. n.c. Neural canal. sc. Sclerotome. s.p. cutis-plate.