Fetal Membranes and
Placenta
Subject:
Histology and Embryology
, Concept and general
functions of the placenta
The placenta is the specialized organ that allows physiological
communication between the mother and the fetus. Its main function
is to ensure the exchange of oxygen, nutrients, and waste products
between both compartments, in addition to secreting essential
hormones that sustain the pregnancy. In the ninth week of gestation,
fetal demands increase considerably, and there is an increase in the
surface area of the chorionic villi. This expansion maximizes the
efficiency of maternal-fetal exchange. It also regulates
immunological processes and constitutes a partial barrier against
harmful agents, although many viruses and drugs can cross it.
Placenta
Subject:
Histology and Embryology
, Concept and general
functions of the placenta
The placenta is the specialized organ that allows physiological
communication between the mother and the fetus. Its main function
is to ensure the exchange of oxygen, nutrients, and waste products
between both compartments, in addition to secreting essential
hormones that sustain the pregnancy. In the ninth week of gestation,
fetal demands increase considerably, and there is an increase in the
surface area of the chorionic villi. This expansion maximizes the
efficiency of maternal-fetal exchange. It also regulates
immunological processes and constitutes a partial barrier against
harmful agents, although many viruses and drugs can cross it.
