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Embryo, placenta and fetal membranes

Placenta at four and one-half months of gestation

For permissions information regarding the use of these images, please contact Drew Bourn at dbourn@stanford.edu

Image #164-7
Bassett ImageDiagram Image
Legend Image
Embryo, placenta and fetal membranes
Placenta at four and one-half months of gestation
The umbilical arteries have been injected with red latex and the umbilical vein has been filled with blue latex.
1 . Placenta
2 . Amnion
3 . Chorion (left side)
4 . Cotyledon
5 . Umbilical vein (within umbilical cord)
6 . Umbilical arteries