Anatomy Of Placenta

The placenta provides the fetus with oxygen and nutrients and takes away waste such as carbon dioxide via the umbilical cord. To fight against internal infection.

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Anatomy of the placenta.

Anatomy of placenta. The placenta consists of a foetal portion formed by the chorion. The macroscopic anatomy of the delivered placenta as well as the microscopic anatomy and histology of this organ are also described. Placenta anatomy when its delivered it appears like a flat spherical organ thats distributed with thick blood vessels.

Placenta anatomy physiology introduction. In some types. Medlineplus medical encyclopedia image skip navigation.

And to produce hormones which support pregnancy. In this diagram the placenta is roughly four months old and various fundamental structures can be recognized namely the umbilical cord the amnion the chorionic plate the already advanced branching of the villi the basal plate and the cotyledon. The placenta normally lies along the anterior or posterior wall of the uterus and may extend to the lateral wall with increasing gestational age 1.

The syncytiotrophoblast invades maternal venous sinuses relatively early and invades the spiral arterioles on the 17th or 18th day after conception. This includes the different types of villi and the most important cellular components of the villi such as villous trophoblast hofbauer cells mesenchymal cells and endothelium. Pmc images search for placenta anatomy figure 1 anatomy of placenta and fetal membranes at term the location of membranes amnion and chorion surrounding the fetus as well as the umbilical cord and placenta are shown.

The human placenta is a hemochorial placenta which means that maternal blood is in direct contact with fetal trophoblast. Anatomy of a normal placenta. The placenta is a temporary organ that connects the developing fetus via the umbilical cord to the uterine wall to allow nutrient uptake thermo regulation waste elimination and gas exchange via the mothers blood supply.

The fetus epithelial duct called umbilical cord attaches to at least one flat surface whereas the reverse surface grows out of the mothers female internal reproductive organ throughout the gestation time period. The placenta at term weighs 470 g and measures 22 cm in diameter with a thickness of 20 25 cm 3. The physical contact surfaces used within the process.

The placenta signifies the second or embryonic period of pregnancy. Gross anatomy typically the placenta is discoid in shape.

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