trophoblast

IPA: trˈoʊfʌbɫˈæst

(cytology) The membrane of cells that forms the wall of a blastocyst during early pregnancy, providing nutrients to the embryo and later developing into part of the placenta.

Examples of "trophoblast" in Sentences

The derivation of HESC cultures requires the removal of the trophoblast.
In most of these diseases, the diagnosis can be made by genetic analysis of cultured trophoblast cells derived from CVS.
Caveat: Technical difficulties plus contamination of some uterine samples prevented collection of trophoblast cells from every patient.
A typical day-5 human embryo consists of 200-250 cells, most of which comprise the trophoblast, which is the outermost layer of the blastocyst.
Perhaps they're hoping the the terms "trophoblast", "blastocoel", and "blastocyst" will disguise the fact that we're talking about a human being?
Researchers analyzed trophoblast cells from the placenta from 40 pregnant women about to undergo surgery for ectopic pregnancy, miscarriage or abortion.
Johnson MP, Childs MD, Isada NB, Koppitch III GC, Evans MI: Trisomy 16 CVS and viable pregnancy: Lethal aneuploidy compartmentalized to the trophoblast in two otherwise normal pregnancies.
In a 2009 French study at the University of Caen, scientists discovered that glyphosate can kill the cells in the outer layer of the human placenta (the trophoblast membrane), which in turn can kill the placenta.
In a healthy pregnancy, cells that come from the embryo's placenta-called trophoblast cells-move into the walls of the uterus and help to open up maternal arteries, thereby increasing the available blood and nutrient supply.