post pregnancy weight loss goals
Implantation Of The Embryo
If youre trying to conceive, you undoubtedly are obesessed with every aspect of your biology.Here is a very informative article on how an embryo attaches itself to the uterus. When I was in my TTC phase, I would actually visualize the embryo implanting, this article would have provided a great mental diagram for the whole process. Read more:
About 6 days after fertilization, the embryo is shaped like a sphere. The surface of the sphere is made up of a layer of specialized cells called the trophoblast. At this phase of development, the embryo is called the blastocyst. The trophoblast later gives rise to the cells that will form the fetus part of the placenta. (The placenta is made up of both maternal and fetal tissues.)
See Also: Inositol For Egg Quality (www.getpregnantover40.com)
The trophoblast is coated with a protein known as L-selectin. The wall of the uterus is coated with carbohydrate molecules. The researchers believe that as the blastocyst travels along the uterine wall, L-selectin on its surface binds to the carbohydrates on the uterine wall, until the blastocyst gradually slows to a complete stop. After this happens, the cells that later become the fetus contribution to the placenta develop. The placental tissue from the fetus then invades the uterine wall by sending finger-like extensions into it. These projections make contact with the maternal blood supply, becoming the pipeline through which the fetus derives nutrients and oxygen, and rids itself of carbon dioxide and wastes."Its analogous to a tennis ball rolling over a table top covered with syrup," said the studys senior author, Susan Fisher, PhD., UCSF professor of stomatology, anatomy and pharmaceutical chemistry. "The embryos journey is arrested by the sticky interaction with the uterine wall."
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from: sciencedaily.com
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