| A villus has a fibromuscular core with fetal blood vessels and is covered by an epithelium termed the trophoblast. |
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| The trophoblast eventually forms the placenta, through which the embryo proper receives dissolved nutrients and is cleansed of waste. |
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| The outer trophoblast cells of the released blastocyst begin to invade the epithelium, burrowing into the underlying endometrial stroma. |
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| The surface of the sphere is made up of a layer of specialized cells called the trophoblast. |
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| You had mentioned that twins can develop when the inner cell mass splits in the blastocyst and forms two embryos enclosed in a common trophoblast. |
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| While implantation takes place, the formative cells arrange themselves in the form of a disk under the trophoblast. |
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| The trophoblast plays an important role later in the development of the placenta or afterbirth. |
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| The part of the trophoblast that is in contact with the endometrium grows into and invades the maternal tissue. |
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| Prior to this time the development of the trophoblast must be halted as soon as possible. |
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| In addition, these antibodies are seemingly able to interact with trophoblast cells. |
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| Dividing partitions, formed from the trophoblast shell, project into the intervillous space from the decidual side. |
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| The blood-vessel network of the underlying allantois conveys nutrients that diffuse through the trophoblast to the body of the embryo proper. |
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| Recently, her research has moved in two new directions: stem cell research, with her discovery of a novel placental stem cell type, the trophoblast stem cell, and genome-wide functional genomics. |
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| It is true that the exact number of f½tal lives lost as a result of amniocentesis or trophoblast biopsy performed because of echographic presenting symptoms cannot be calculated with any degree of accuracy. |
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| The trophoblast marker genes, cytokeratin 8 and 18, showed lower expression levels in the SCNT blastocysts compared with in vivo blastocysts. |
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| Due to absent or incomplete vascularization of villi in complete hydatidiform mole, and the probable absence of D antigen on the villous trophoblast,54 the risk of Rh alloimmunization in molar pregnancy is minimal. |
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| It has been proposed that a breach in the trophoblast layer lining the chorionic villi may result in contact of Hofbauer cells with maternal blood and amniotic fluid. |
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