92 GENERAL ANATOMY. Fig. 53.' … Diagrams to show the development of the three layers of the blastodermic membrane on transverse sec- tions. A. Portion of the ovum with the zona pellucida and the germinal area. B C D E F G. Different stages of development, o. Umbilical vesicle, a. Amnion, i. Intestine, p. Peritoneal cavity. 1.…
Human anatomy
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