Define placental barrier. placental barrier synonyms, placental barrier pronunciation, placental barrier translation, English dictionary definition of placental barrier. n. pl. pla·cen·tas or pla·cen·tae 1. a. A membranous vascular organ that develop
"We already know that the placental barrier retains many nanoparticles or at least delays their transport to the embryo," says Bürki. From Science Daily If Plasmodium travel to the placenta, the parasites bind to placental receptors and cause portions of the placenta to die off. From Salon Wor...
Related to placental circulation: fetal circulation, placental barriercir·cu·la·tion (sûr′kyə-lā′shən) n. 1. Movement in a circle or circuit, especially the movement of blood through bodily vessels as a result of the heart's pumping action. 2. a. Movement or passage through...
Dust, soot, and bacteria are filtered out by a barrier ofcilia, tiny hairlike processes that line the passageways of the respiratory tract. The cilia trap not only foreign particles but also mucus produced by the respiratory passages themselves. Since the movement of the cilia is always toward...
barriers prevent eitherimmune recognitionof the fetus by the mother or the reaching of competentimmune cellsfrom the mother to the fetus. Again, there is evidence for a functioning decidual immune barrier, but in a significant number of cases that barrier is known to be breached throughtraumaor ...
Highly rigid H3.1/H3.2-H3K9me3 domains set a barrier for cell fate reprogramming in trophoblast stem cells. Genes Dev. 36, 84–102 (2022). Article CAS PubMed PubMed Central Google Scholar Kumar, B. & Elsasser, S. J. Quantitative multiplexed ChIP reveals global alterations that shape ...
As the transfer of glucose from the maternal circulation into the placenta and fetus forms the primary task for glucose transporters, most of the published information is concerned with glucose transporters in the epithelial barrier layer of the placenta, the multinucleate syncytiotrophoblast. Some ...
11,12 It is particularly appealing as a neuroprotective agent for the developing brain because it can be given to the mother during pregnancy13 with no deleterious effects, and its small size and amphiphilic nature mean that it can cross the placenta and also the fetal blood brain barrier to ...
Thefetoplacental unithas three important functions: (i) a source of protein andsteroid hormones, which are delivered to the maternal circulation; (ii) a selective barrier that determines the nature of the communication and interaction between the maternal and fetalendocrinological and physiological syste...
23 The decidua impedes the movement of invasive trophoblasts both by forming a physical barrier to cell penetration and by generating a local cytokine milieu that promotes trophoblast attachment rather than invasion.7, 24, 25, 26, 27, 28 The fate of the invasive trophoblasts is, in part, ...