Which of the following structure is not related to placental barrier?
A. Fetal blood vessels
B. Intra -embryonic mesoderm
C. Syncytium & cytotrophoblast
D. Extra -embryonic mesoderm
Answer:B
Which of the following structure is not related to placental barrier?
A. Fetal blood vessels B. Intra -embryonic mesoderm C. Syncytium & cytotrophoblast D. Extra -embryonic mesoderm