![](/rp/kFAqShRrnkQMbH6NYLBYoJ3lq9s.png)
Placenta: How it works, what's normal - Mayo Clinic
2024年3月8日 · The placenta is a structure that develops in the uterus during pregnancy. In most pregnancies, the placenta is located at the top or side of the uterus. In placenta previa, the placenta is located low in the uterus. The placenta might partially or …
Placenta - Wikipedia
The placenta (pl.: placentas or placentae) is a temporary embryonic and later fetal organ that begins developing from the blastocyst shortly after implantation.
Placenta: Overview, Anatomy, Function & Complications
What is the placenta? The placenta is a temporary organ that connects your baby to your uterus during pregnancy. The placenta develops shortly after conception and attaches to the wall of your uterus. Your baby is connected to the placenta by the umbilical cord.
Placenta - What Is It and How It Works - Biology Dictionary
2017年7月25日 · The placenta is an organ which is responsible for nourishing and protecting a fetus during pregnancy. It is unique in that it is a temporary organ; it grows alongside the fetus during pregnancy, and then is expelled along with the fetus at birth.
What the Placenta Is and How It Forms During Pregnancy
The placenta is a pancake-shaped organ that develops in the uterus exclusively during pregnancy. It’s made up of blood vessels and provides your developing baby with nutrients, water, oxygen, antibodies against diseases and a waste removal system.
Placenta - Definition, Structure, Types, Functions - Biology ...
2024年4月12日 · Broadly speaking, the term “placenta” refers to any region in a viviparous organism where maternal and embryonic tissues closely interact and facilitate the exchange of physiological substances between the parent and the embryo.
Placenta 101: What Every Expectant Mother Should Know
2025年1月13日 · In essence, the placenta does the work of the baby’s lungs, liver, kidneys, and gastrointestinal tract while the baby is in the womb. Some of the placenta’s functions include –. During the development of the placenta, tiny structures that …
What is the placenta? - American Journal of Obstetrics ...
2015年7月31日 · Discarded at birth, the placenta is a highly complex and fascinating organ. During the course of a pregnancy, it acts as the lungs, gut, kidneys, and liver of the fetus. The placenta also has major endocrine actions that modulate maternal physiology and metabolism and provides a safe and protective milieu in which the fetus can develop.
Placenta: anatomy and function - Kenhub
2023年10月26日 · The placenta is a temporary organ of pregnancy situated in the uterus. It is formed from fetal and maternal components. The fetal portion is formed by the chorion frondosum, while the maternal portion is formed by the decidua basalis. Moreover, the placenta is the meeting point of two circulatory systems: fetal circulation and maternal circulation.
Placenta Definition: Discover the meaning of placenta, its ...
Placenta refers to the temporary vascular organ found in mammals, which attaches the fetus to the uterus of the mother during pregnancy. The placenta is the passage that unites the fetus to the mother. The placenta facilitates the exchange of nutrients and oxygen to the fetus.