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 …
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 …
Placental structure, function and drug transfer | BJA Education ...
2014年5月30日 · The placenta is the interface between mother and fetus. Functions of the placenta include gas exchange, metabolic transfer, hormone secretion, and fetal protection. …
Placental Structure and Classification - Colorado State University
2011年9月25日 · The placentas of all eutherian (placental) mammals provide common structural and functional features, but there are striking differences among species in gross and …
Placenta - Wikipedia
In humans, the placenta averages 22 cm (9 inch) in length and 2–2.5 cm (0.8–1 inch) in thickness, with the center being the thickest, and the edges being the thinnest. It typically weighs …
Placenta: Its Role and Complications - Verywell Health
2024年10月31日 · The placenta has two different sides, the maternal side and the fetal side. These are held together by outgrowths, called anchoring villi, from the maternal component. …
The placenta: a multifaceted, transient organ - PMC
Structure and development of the human placenta. The placenta and associated extraembryonic membranes are formed from the zygote at the start of each pregnancy, and thus have the …
Growth factors from the glands may stimulate proliferation of placental cells. As it invades, the placenta taps into the spiral arteries in the wall of the uterus. This is potentially dangerous due …
Structure of the Placenta - Vascular Biology of the Placenta
Villous “trees” are the main structure of the placenta. Based on the developmental stage, villous structure, vessel branches, histologic features, and vessel-cell type components, at least five …
Embryology, Placenta - StatPearls - NCBI Bookshelf
2023年5月1日 · The placenta is a vital organ with multiple functions, such as endocrine, immune, and physiological. The placenta is formed gradually during the first three months of pregnancy, …