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Fig. 17. A mid-cross section of the embryo and adjacent chorion of a 16-day ovum
The double-layered amnion is attached by mesoblast to the adjacent chorion. The amniotic cavity is approximately equal in size no the yolk-sac cavity. The latter is bounded by the endoderm above and the double-layered yolk-sac elsewhere. Carnegie 7802. section 44-3-5. X 100.
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|current||09:10, 8 April 2020||643 × 983 (181 KB)||Z8600021|