
Placenta: anatomy and function - Kenhub
2023年10月26日 · The main function of the placenta is the interchange between the mother and the fetus. More specifically, it provides nutrition and oxygen to the fetus and removes waste material and carbon dioxide. In this article, we will explore …
Placenta: Overview, Anatomy, Function & Complications - Cleveland Clinic
2022年2月4日 · 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 - 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: Its Role and Complications - Verywell Health
2024年10月31日 · The placenta is a temporary organ that develops in the uterus during pregnancy. It connects the uterus to the developing baby and performs many vital functions. The largest fetal organ, the placenta undergoes rapid development over the course of pregnancy.
Placental Anatomy and Physiology - Obgyn Key
2019年3月31日 · As the interface between the mother and her fetus, the placenta plays a key role in orchestrating changes in maternal physiology that ensure a successful pregnancy. This chapter reviews the structure of the human placenta and relates this to the contrasting functional demands placed on the organ at different stages of gestation.
Physiology, Placenta - StatPearls - NCBI Bookshelf
2023年7月24日 · Placenta percreta is the deepest penetrating of the three types as the placenta pushes through the myometrium and into the uterine wall. In some cases, the placental cells can reach out of the uterus and invade the rectum or bladder.
Embryology, Placenta - StatPearls - NCBI Bookshelf
2023年5月1日 · The placenta is a fetal organ made up of its parenchyma, chorion, amnion, and umbilical cord. The fetal structures form from the zygote and therefore separate the fetus from the endometrium. The fetal tissues form from the chorionic sac - which includes the amnion, chorion, yolk sac, and allantois. These tissues get delivered after birth.
The anatomy of the normal placenta - PubMed
This review describes development of the placenta during the first few weeks of pregnancy until the villous trees with their vasculature are established. The macroscopic anatomy of the delivered placenta as well as the microscopic anatomy and histology of this organ are also described.
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.
Anatomy of a normal placenta - MedlinePlus
2024年4月16日 · The placenta provides the fetus with oxygen and nutrients and takes away waste such as carbon dioxide via the umbilical cord.