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Extraembryonic MembranesOviparitySerous MembraneViviparity, NonmammalianAllantoisChorioallantoic MembraneUterusPregnancyEndodermMembranesMembrane LipidsCell MembraneIntracellular MembranesYolk SacMembrane PotentialsMembranes, ArtificialEmbryo, MammalianGastrulaGene Expression Regulation, DevelopmentalTrophoblastsEctodermErythrocyte MembraneEmbryonic and Fetal DevelopmentMembrane FluidityEmbryonic DevelopmentBlastocystPlacentaAmnionChorionCell Membrane PermeabilityChimeraBasement MembraneGerm LayersEmbryo LossMesodermCell LineageGATA6 Transcription FactorEmbryonic Stem CellsCell DifferentiationIn Situ HybridizationModels, BiologicalDosage Compensation, GeneticMembrane Transport ProteinsBlastodermGenomic ImprintingSOXF Transcription FactorsCell LineMolecular Sequence DataMembrane GlycoproteinsLipid BilayersVisceraEmbryonic InductionCells, CulturedGene TargetingMutationGenes, LethalVitelline DuctChick EmbryoBase SequenceMitochondrial MembranesMorphogenesisBody PatterningMicroscopy, ElectronGerm CellsHyalinProtein TransportEmbryo, NonmammalianSynaptic MembranesX Chromosome InactivationBone Morphogenetic Protein 4Signal TransductionX Chromosome

Fetal membranesEmbryoPlacentaYolk sacAmnionMesodermEndodermEmbryonicAmnioticHumansEctodermDevelopmentYolkExtra-embryonicTissuesChorionFetal membranePremature ruptureRuptureEmbryosALLANTOISEndometriumPlacenta PreviaFertilization membraneOuter membraneInsectsProteinsIonsOsmosisOrganCalciumSpermNutrientsFunctionsPotentialFormationEggsBodyFound

Fetal membranes5

• In humans and other mammals they are more usually called fetal membranes. (wikipedia.org)
• The aim of this study was to determine the maternal or fetal origin of inflammatory leukocytes in fetal membranes from cases of chorioamnionitis. (nih.gov)
• Fetal membranes were collected from male preterm infants and chorioamnionitis was diagnosed histologically. (nih.gov)
• Evolutionary Transformations of Fetal Membranes and Reproductive Strategies. (trincoll.edu)
• Two main enzymes responsible for H 2 S production, cystathionine- synthase and cystathionine-lyase, have been demonstrated in the pregnant and nonpregnant uterus, fetal membranes and placenta in the rat, and in human placenta. (aston.ac.uk)

Embryo5

• The extraembryonic membranes are four membranes which assist in the development of an animal's embryo. (wikipedia.org)
• The outermost extra-embryonic membrane surrounding the developing embryo. (nih.gov)
• Today, terrestrial vertebrates that produce eggs that contain an embryo surrounded by extra-embryonic membranes are descended either from the lines Synapsida or Reptilia, lineages that both descend from a common ancestor. (inverse.com)
• They have the capacity to specialize into extraembryonic membranes and tissues, the embryo, and all postembryonic tissues and organs. (nih.gov)
• The two-layered cloacal membrane is caudal to the groove in the angle where the embryo joins the connecting stalk. (ehd.org)

Placenta1

• Cross JC: Formation of the placenta and extraembryonic membranes, Ann N Y Acad Sci 857:23, 1998. (edieandamy.com)

Yolk sac2

• The extraembryonic membranes in insects include a serous membrane originating from blastoderm cells, an amnion or amniotic cavity whose expression is controlled by the Zerknüllt gene, and a yolk sac. (wikipedia.org)
• The yolk sac is the first fetal membrane to be formed in all mammals and is the oldest of the extra-embryonic membranes. (northwestern.edu)

Amnion1

• This eventually reduces extraembryonic coelom to a thin layer between the amnion membrane and mesoderm. (differencebetween.com)

Mesoderm1

• At the edge of the disc, embryonic mesoderm is continuous with extraembryonic mesoblasts. (ehd.org)

Endoderm1

• Caudal to the cloacal membrane, the endoderm lines a blind, tubular duct called the allantois. (ehd.org)

Embryonic1

• The plasma membrane-associated isoforms CA IV, CA IX, CA XII, CA XIV, and the cytoplasmic isoform CA II, were investigated in the extra-embryonic tissue of the blastoderm and in embryonic blood. (bbk.ac.uk)

Amniotic1

• The amniotic egg, showing the semipermeable shell and the extraembryonic membranes. (scitechdaily.com)

Humans1

• Such membranes occur in a range of animals from humans to insects. (wikipedia.org)

Ectoderm1

• It will fuse with the overlying ectoderm and together will form the oropharyngeal membrane. (ehd.org)

Development1

• Fetal membrane ultrastructure and development in the oviparous milksnake Lampropeltis triangulum (Colubridae), with reference to function and evolution in snakes. (trincoll.edu)

Yolk7

• The extraembryonic membranes in insects include a serous membrane originating from blastoderm cells, an amnion or amniotic cavity whose expression is controlled by the Zerknüllt gene, and a yolk sac. (wikipedia.org)
• In vitro preparations have provided evidence suggesting that acute and chronic exposure to very high glucose concentrations can lead to embryonic demise via disruption of the extra-celomic membranes and yolk sac. (nih.gov)
• These naive cells are then made to form cells of the embryo, placenta, yolk sac and "extraembryonic mesoderm membrane" - the precursor to the chorionic sac, the outermost membrane that surrounds the fetus. (livescience.com)
• The yolk sac, a transient extraembryonic organ, plays a crucial role in embryonic development and is involved in metabolism, nutrition, growth, and hematopoiesis. (nature.com)
• b ) Graphical illustration of the embryo-yolk sac connection with the yolk sac localized outside the amniotic cavity in the extraembryonic coelom. (nature.com)
• Yolk sac membrane with a vascular plexus envelope is involved in transport or resynthesis and exocytosis of nutrients, either directly into the surrounding blood vessels or the yolk sac cavity 11 . (nature.com)
• During fetal development, hematopoiesis occurs in multiple waves throughout the developing embryo and fetus, including extraembryonic yolk sac (YS), the para-aortic region of the embryo, fetal liver, and placenta before eventually homing to the bone marrow where it occurs just before birth.Prenatal development is the process that occurs during the 40 weeks prior to the birth of a child, and is heavily influenced by genetics. (hycoma.de)

Extra-embryonic4

• Other extra-embryonic tissues, including the amnion (inner membrane), develop from the inner cell mass of the blastocyst. (medscape.com)
• Turtles, snakes etc. also have belly-buttons, incidentally, where their bodies were connected to their extra-embryonic membranes! (albertkharris.com)
• Do maternal progestogens impact the development of extra-embryonic membranes? (illinoisstate.edu)
• Using we chickens as a model system, we are characterizing the response of extra-embryonic membranes to progestagen manipulations. (illinoisstate.edu)

Tissues2

• We describe the early embryogenesis of spiders and other chelicerates, with a special focus on the formation of the potential extraembryonic tissues. (bvsalud.org)
• Our findings suggest that the extraembryonic tissues surrounding the conceptus, including both the fetal membranes and the placental disk, harbor a signature of previa and PAS that is characteristic of EVTs and that may reflect increased trophoblast invasiveness. (stanford.edu)

Chorion2

• The chorion is one of the membranes that exists during pregnancy between the developing fetus and mother. (bionity.com)
• The outer membrane (chorion) and trophoblast layer of the placenta are derived from the trophoectoderm of the blastocyst cells. (medscape.com)

Fetal membrane3

• Instrumenting a Fetal Membrane on a Chip as Emerging Technology for Preterm Birth Research. (nih.gov)
• The fetal membrane plays a key structural role in maintaining the fetal and maternal compartments of the gravid uterus. (nih.gov)
• These models show promise to facilitate the investigation of pathologic mechanisms that drive these disease conditions by mimicking the interactive contribution of the major cell types that make up the microenvironment of the fetal membrane and enable high throughput screening. (nih.gov)

Premature rupture1

• Specifically, CAM is characterized by the infection of the fetal membranes that surround the developing fetus and extend from the placenta, and is often associated with preterm, premature rupture of the fetal membranes (PPROM). (nih.gov)

Rupture3

• These membranes undergo rupture during PARTURITION . (nih.gov)
• Abnormally located fetal vessels within the membranes increase the risk for their rupture and subsequent hemorrhage. (umn.edu)
• CONCLUSION: Acute fetal hemorrhage from the rupture of aberrant fetal vessels often coincides with rupture of membranes. (umn.edu)

Embryos1

• Developing embryos of reptiles, birds and mammals have four extraembryonic membranes , and these are parts of the placenta of developing mammals. (albertkharris.com)

ALLANTOIS1

• surrounds the allantois and is a thin, tough membrane filled with amniotic fluid. (preparingtobecome.com)

Endometrium1

• The Endometrium and Fetal Membranes. (medicscenter.com)

Placenta Previa1

• PRG2 and AQPEP are misexpressed in fetal membranes in placenta previa and percreta1. (stanford.edu)

Fertilization membrane2

• 6) The formation of the fertilization membrane requires an increase in the availability of A) bicarbonate ions. (easynotecards.com)
• A) is outside of the fertilization membrane. (easynotecards.com)

Outer membrane1

• Trepanning involved boring a small hole into the skull to expose the dura mater, the outer membrane of the brain. (saveyourhealthcare.com)

Insects1

• Such membranes occur in a range of animals from humans to insects. (wikipedia.org)

Proteins1

• The movement of a substance across a biological membrane against its concentration or electrochemical gradient, with the help of energy input and specific transport proteins. (web.id)

Ions1

• functions by binding to receptors and altering the permeability of the postsynaptic membrane to specific ions, either depolarizing or hyperpolarizing the membrane. (web.id)

Osmosis1

• In osmosis, water moves across a membrane from areas of lower solute concentration to areas of higher solute. (gasconmaquinaria.com)

Organ1

• Thus, in this short review, we discuss the emerging microfabrication technologies, specifically, organ-on-chip (OoCs) models, that seek to recapitulate the cellular and molecular context of the gestational membranes in vitro. (nih.gov)

Calcium1

• Calcium depolarized membrane (doesn't allow more sperm to fertilize egg) and increases the metabolic rate of the Zygote . (preparingtobecome.com)

Sperm3

• A) opens the egg's nuclear membrane to allow haploid sperm DNA to enter. (easynotecards.com)
• Acrosomal Apparatus forms when sperm comes into direct contact with oocyte cell membrane. (preparingtobecome.com)
• happens once the sperm has penetrated the membrane. (preparingtobecome.com)

Nutrients1

• These membranes provide protection and means to transport nutrients and wastes. (nih.gov)

Functions1

• In this article, we delve into the different types of eggs and explore the fascinating world of egg membranes, uncovering their functions and significance in the journey of life. (microbiologynote.com)

Potential2

• In this review, we summarize the current knowledge regarding the formation of potential extraembryonic structures in the Chelicerata. (bvsalud.org)
• A rapid change in the membrane potential of an excitable cell, caused by stimulus-triggered, selective opening and closing of voltage-sensitive gates in sodium and potassium ion channels. (web.id)

Formation1

• Implantation and Extraembryonic Membrane Formation. (medicscenter.com)

Eggs2

• Preliminary work suggests that membrane developement may be influenced by maternal progestogens, which are known to be abundant in eggs. (illinoisstate.edu)
• Understanding the types of eggs and their accompanying membranes provides insight into the remarkable diversity and adaptations seen in reproductive strategies. (microbiologynote.com)

Body1

• The Umbilical Cord connects the body to the extrambryonic membranes. (albertkharris.com)

Found2

• We performed immunofluorescence on several candidate molecules and found that PRG2 and AQPEP protein levels are upregulated in both the fetal membranes and the placental disk in both conditions. (stanford.edu)
• While this increased AQPEP expression remains restricted to trophoblasts, PRG2 is mislocalized and is found throughout the fetal membranes. (stanford.edu)