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Foetus and Uterus Connection: Fig. 74. Blastodermic Vesicle Somatopleure | Fig. 75. Somatopleuric Head Fold human ovum of 15 days | Fig. 76. Amnion, Chorion, and Decidua 3rd month | Fig. 77. Placenta formation Elements | Fig. 78. Umbilical Cord Structures | Modern Notes