AnatomyOrganismsChemicals and DrugsPhenomena and ProcessesInformation Science
ChorionEgg ProteinsExtraembryonic MembranesAmnionBombyxAllantoisLabor, ObstetricVitelline MembranePlacentaEgg ShellOryziasOogenesisOvumTrophoblastsPregnancyDeciduaGene AmplificationAedesInsect ProteinsCorchorusEncyclopedias as TopicColubridae
PlacentaRemoval of the chorionMesodermAmnion and chorionInsect chorionEggshellMembranesChorionicYolk sacAllantoisGenesFetal membraneAmniotic sacEmbryoVilliBlastocystCuticleSyncytiotrophoblastTissueBacterialGerm layersProteinGeneInsectsDifferentiationOxygenDevelopmentLayerMorulaBilaminarPosteriorCellularEarlyCardiacStudiesSmallResultsLeftPortionSpecificationExpressionShowsWater
Placenta7
  • As it takes no share in the formation of the placenta, this is also named the non-placental part of the chorion. (wikipedia.org)
  • Thus the placenta develops from the chorion frondosum and the decidua basalis. (wikipedia.org)
  • As development progresses still further a part of the chorion is converted into the foetal portion of an organ called the placenta, and thus the chorion is divided into placental and non-placental regions. (co.ma)
  • nevertheless similar to its function in the mouse placenta it appears to promote cell cycle exit and syncytiotrophoblast formation in chorionic villi [22] also through regulation of syncytins [23]. (cancer-ecosystem.com)
  • The zygote lands into the uterus during the 6th or the 7th day, after which developmental changes lead to the formation of three membranes: placenta, chorion and amnion (Forgacs & Newman, 2005). (brainyhomeworkhelp.com)
  • piroplasms were not detected in maternal or fetal blood by histologic examination of hematoxylin and eosin-stained sections of formalin-fixed, paraffin-embedded tissue of the placenta disk, amnion/chorion, and umbilical cord. (cdc.gov)
  • Some of the cells from the placenta develop into an outer layer of membranes (chorion) around the developing blastocyst. (msdmanuals.com)
Removal of the chorion1
  • RESULTS: We show that left-right asymmetry disruptions caused by removal of the chorion (dechorionation) are highly variable and present throughout the Ciona larval nervous system. (ucsb.edu)
Mesoderm5
  • The chorion consists of two layers: an outer formed by the trophoblast, and an inner formed by the somatic mesoderm. (wikipedia.org)
  • These include embryonic disc and bilaminar disc formation, epiblast lumenogenesis, polarized amniogenesis, anterior-posterior symmetry breaking, primordial germ-cell specification, polarized yolk sac with visceral and parietal endoderm formation, extra-embryonic mesoderm expansion that defines a chorionic cavity and a connecting stalk, and a trophoblast-surrounding compartment demonstrating syncytium and lacunae formation. (nature.com)
  • Origin and formation of the mesoderm and notochord. (uniss.it)
  • The mesoderm also undergoes through a series of developments leading to the formation of vertebrae, muscles, and connective tissues. (brainyhomeworkhelp.com)
  • a priori idea that they rapidly disappears with certainty, mesoderm formation of s. (ontopofmusic.com)
Amnion and chorion2
  • The "Operative Nerve Shield" is a specially designed membrane of human amnion and chorion. (parathyroid.com)
  • Live fetal membrane, which included both amnion and chorion, was first documented by De Rotth in 1940 for use in conjunctival reconstruction. (eyewiki.org)
Insect chorion1
  • 2. Application of a variety of Biophysical methods and techniques for protein structure determination and for structural studies of complex, physiologically important, Biological tissues such as insect chorion and cuticle. (uoa.gr)
Eggshell2
  • The silkmoth eggshell as a natural amyloid shield for the safe development of insect oocyte and embryo: Insights from studies of silkmoth chorion protein peptide-analogues of the B family. (uoa.gr)
  • Genetic analysis of two female-sterile loci affecting eggshell integrity and embryonic pattern formation in Drosophila melanogaster. (uchicago.edu)
Membranes2
  • In humans and other mammals (excluding monotremes), the chorion is one of the fetal membranes that exist during pregnancy between the developing fetus and mother. (wikipedia.org)
  • In reptiles, birds, and monotremes, the chorion is one of the four extraembryonic membranes that make up the amniotic egg that provide for the nutrients and protection needed for the embryo's survival. (wikipedia.org)
Chorionic3
  • the chorionic villi emerge from the chorion, invade the endometrium, and allow the transfer of nutrients from maternal blood to fetal blood. (wikipedia.org)
  • The chorion undergoes rapid proliferation and forms numerous processes, the chorionic villi, which invade and destroy the uterine decidua, while simultaneously absorbing nutritive materials from it for the growth of the embryo. (wikipedia.org)
  • Choriogenesis Chorioamnionitis, an inflammation of the chorion and amnion, usually due to bacterial infection Chorionic hematoma Gestational trophoblastic disease, any abnormal proliferation of the trophoblasts, including choriocarcinoma, a highly invasive cancer. (wikipedia.org)
Yolk sac1
  • the distal end is attached to the chorion, and in its neighbourhood lies the now relatively small vesicular yolk-sac (Fig. 62). (co.ma)
Allantois2
Genes3
  • The change affected the expression of chorion genes and egg formation in silkworms. (elsevierpure.com)
  • is usually involved BAY 61-3606 both in branching morphogenesis and in syncytiotrophoblast formation through regulation of syncytin genes involved in BAY 61-3606 cell-cell fusion [17-19]. (cancer-ecosystem.com)
  • Amplification of genes for chorion proteins during oogenesis in Drosophila melanogaster. (uchicago.edu)
Fetal membrane1
  • The chorion is the outermost fetal membrane around the embryo in mammals, birds and reptiles (amniotes). (wikipedia.org)
Amniotic sac2
Embryo3
  • and (3) evidence of developmental dynamism relating to ability to progress, in a structurally organized manner, through morphologically characterized developmental milestones of the early post-implantation human embryo following initial aggregate formation 3 . (nature.com)
  • The amnion is formed from that portion of the wall of the larger of the two inner vesicles of the zygote, the ecto-mesodermal vesicle (p. 22), which does not take part in the formation of the embryo. (co.ma)
  • In the thickened strand lies the allantoic diverticulum of the entodermal vesicle (Fig. 70), whilst through it, on either side of the allantoic diverticulum, pass the umbilical arteries and veins, by means of which blood is conveyed between the embryo and the chorion. (co.ma)
Villi3
  • The part of the chorion that is in contact with the decidua capsularis undergoes atrophy, so that by the fourth month scarcely a trace of the villi is left. (wikipedia.org)
  • The villi at the embryonic pole, which is in contact with the decidua basalis, increase greatly in size and complexity, and hence this part is named the chorion frondosum. (wikipedia.org)
  • Upon the placental part the villi continue to increase, but they disappear entirely from the nonplacental part, which is then called the chorion læve (Fig. (co.ma)
Blastocyst3
  • Ovulation, fertilization, segmentation and formation of the morula and blastocyst. (uniss.it)
  • Early occasions and the trophoblast stem cell niche Both mouse and human placentation start with the formation of trophectoderm (TE) in the pre-implantation blastocyst. (cancer-ecosystem.com)
  • Further development of the morula leads to formation of a ball containing about 2000 cells known as blastocyst. (brainyhomeworkhelp.com)
Cuticle1
  • The ovo gene required for cuticle formation and oogenesis in flies is involved in hair formation and spermatogenesis in mice. (uchicago.edu)
Syncytiotrophoblast1
  • promotes G1-to-G0 transition of mouse TS cells in preparation for fusion and syncytiotrophoblast formation [20]. (cancer-ecosystem.com)
Tissue2
  • Recent findings indicate that Ureaplasma parvum bacteria can infect the chorion tissue, thereby impacting pregnancy outcome. (wikipedia.org)
  • Several companies make human amniotic tissue available to use in surgery but nobody has used amnion/chorion before to see if it would shield and protect the vocal cord nerve from injury following thyroid and parathyroid surgery. (parathyroid.com)
Bacterial1
  • Protein aggregation and amyloid fibril formation prediction software from primary sequence: towards controlling the formation of bacterial inclusion bodies. (uoa.gr)
Germ layers2
  • The process of formation of body organs from the germ layers is called neurulation (Campbell & Reece, 2005). (brainyhomeworkhelp.com)
  • The node is the site where gastrulation, the formation of the three germ layers, first begins. (asu.edu)
Protein3
  • Intrinsic Aggregation Propensity of the CsgB Nucleator Protein is Crucial for Curli Fiber Formation. (uoa.gr)
  • LepChorionDB: Lepidoptera chorion protein database. (uoa.gr)
  • Lepidoptera chorion protein database. (uoa.gr)
Gene2
  • He was one of the first to introduce molecular biology to the study of development by his discoveries on gene families such as the chorion gene families in both the silk moth and the fruit fly. (pas.va)
  • Drosophila bearing the ocelliless mutation underproduce two major chorion proteins both of which map near this gene. (uchicago.edu)
Insects3
  • The chorion is also present in insects. (wikipedia.org)
  • Among the dipteran insects, midges such as Chironomous and Smittia with their transparent chorion and synchronous development were found more rewarding. (silverchair.com)
  • He started by working on the mechanisms of cellular differentiation leading to the formation of the eggs in insects. (pas.va)
Differentiation1
  • [7] [8] Furthermore, the stromal face of amniotic membrane suppresses myofibroblast differentiation of normal fibroblasts to reduce scar and vascular formation. (eyewiki.org)
Oxygen1
  • Microscopic pores in the chorion that allow respiratory exchange of oxygen and carbon dioxide with relatively little loss of water. (ncsu.edu)
Development2
  • However, it was discovered a few years ago that this membrane sac that the baby was formed in contains a tremendous amount of growth factors, stem cells, and other factors that promote healthy cell development and prevent scar formation and unhealthy cell function. (parathyroid.com)
  • The development of neural groove in this stage leads to the formation of brain, and spinal cord (Campbell & Reece, 2005). (brainyhomeworkhelp.com)
Layer1
  • Now this makes sense from a science standpoint because the chorion layer is known to contain almost all of the growth factors that we are looking for. (parathyroid.com)
Morula1
  • Further divisions within the sphere lead to the formation of a 32-cell mass known as morula. (brainyhomeworkhelp.com)
Bilaminar1
  • Formation of the bilaminar and trilaminar germ disk. (uniss.it)
Posterior2
  • This arrangement of the formation of a bending dorsal- cell-wall places, is not to the posterior end. (goldenowlhunt.com)
  • Sander showed that posterior pole material induces abdomen formation and acts as a polarizing source at ectopic regions. (silverchair.com)
Cellular1
  • 1. The structure of the egg envelopes and the formation of the cellular blastoderm. (uchicago.edu)
Early1
  • Hughes (2013) have identified LY6E BAY 61-3606 as a surface marker of the SYNA+ cells in the upper portion of the chorion as early as E8.5 [24]. (cancer-ecosystem.com)
Cardiac1
  • Here, we discuss BMP, TGF-β, and Notch signaling pathways during mouse cardiac cushion formation and how they together produce a coordinated EMT response in the developing mouse valves. (springer.com)
Studies1
  • Drosophila , while the system of choice for genetic analysis of pattern formation has been rather neglected as an experimental organism and species with longer developmental time and larger eggs were preferred in classical studies. (silverchair.com)
Small2
  • The dorsal, cially as though the pronepheric anlagen of cuba is very small region, which the formation. (goldenowlhunt.com)
  • This picture shows a small piece of the amnion/chorion membrane that we use to cover the nerve. (parathyroid.com)
Results1
  • We studied these tissues on vocal cord nerves in our patients and tried tissues that had amnion alone or amnion with chorion and the results were hugely different, with the membrane containing the chorion being much better. (parathyroid.com)
Left1
Portion1
  • If ligation is done somewhat later, partial embryos develop in the anterior portion suggesting that a time-dependent spreading of some factors is required for pattern formation in anterior egg regions. (silverchair.com)
Specification1
  • Whether such differences underlie distinct specification mechanisms between tunicates and vertebrates will require broad understanding of their influence on CNS formation. (ucsb.edu)
Expression1
  • En-1 blocks Wnt-7a expression, preventing expression of Lmx-1b there, and establishes the dorsal-ventral axis. (medscape.com)
Shows1
  • thick arrow shows the classic tetrad formation or Maltese cross. (cdc.gov)
Water2
  • All spawnings observed (n=163) occurred within 3-5.5 hours from late afternoon to night after formation of the temporary water. (bioone.org)
  • The rise in water level and the consequent formation of temporary waters appear to be crucial triggers for reproduction of the kissing loach. (bioone.org)