Usa "placental" in una frase

1. “It was not realized that thalidomide molecules could cross the placental

2. A second set of tubing led to the placental exchange membrane in the top of each incubator

3. The Smug haemorrhaged blood-warm light over the tower-studded horizon, clotting delightfully between the buildings and giving the City an odd placental quality

4. necessary if abnormality of heavy bleeding occurs caused by abnormal placental

5. My newly-born pedagogical skills still had placental blood on them

6. They called it a placental abruption, made worse from the stress of the job

7. The former, including the greater part of the class, are called PLACENTAL MAMMALS; the latter, or APLACENTAL MAMMALS, include the Marsupials and Monotremes (ORNITHORHYNCHUS)