The Smith County Veteran Services Office will be closed Monday through Monday, August 15-22, 2016. The Smith County Veterans Service Office will be closed Monday through Monday, August 15-22 for training, and will reopen on Tuesday, August 23 for normal business hours.
The Human Placenta: an overview and some highlights Oops. Wrong species. Placenta of Homo sapiens sapiens . The biochemical and physical duet of the mother and the fetus in the formation of the placenta is one of the most carefully orchestrated phenomena in fetal development. It represents the cooperation of two distinct individuals to form a single structure that protects one and enables the genes of the other to live on.
What are the two parts of the placenta. Fetal part of the placenta, formed by the villous chorion, its villi project into the intervillous space containing maternal blood. Maternal part of the placenta, formed by the decidua basalis. By the end of the fourth month the decidua basalis is replaced by the fetal part of the placenta. What connects the fetal and the maternal portion of the placater together. The fetal part of the placenta, is attached to the maternal part by the cytotrophoblastic shell, the external layer of trophoblastic cells on the maternal surface of the placenta.