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Embryo, placenta and fetal membranes

Placenta at four and one-half months of gestation

Stanford holds the copyright to the David L. Bassett anatomical images and has assigned Creative Commons license Attribution-Share Alike 4.0 International to all of the images.
For additional information regarding use and permissions, please contact Dr. Drew Bourn at dbourn@stanford.edu.

Image #164-7
Bassett Image
Diagram 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