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Yolk Sac: The first of four extra-embryonic membranes to form during Embryogenesis. In Reptiles and Birds, it arises from endoderm and mesoderm to incorporate the Egg yolk into the Digestive tract for nourishing the embryo. In placental Mammals, its nutritional function is vestigial; however, it is the source of Intestinal mucosa; Blood cells; and Germ cells. It is sometimes called the vitelline sac, which should not be confused with the Vitelline membrane of the egg.

Isolation of Murine Embryonic Hemogenic Endothelial Cells

1Departments of Medicine, Genetics and Biomedical Engineering, Yale Cardiovascular Research Center, Vascular Biology and Therapeutics Program, Yale Stem Cell Center, Yale University School of Medicine, 2Department of Pediatrics, Section of Neonatal-Perinatal Medicine, Yale University School of Medicine, 3Department of Molecular and Cellular Biology, Baylor College of Medicine

JoVE 54150


 Developmental Biology

Generation of Parabiotic Zebrafish Embryos by Surgical Fusion of Developing Blastulae

1Division of Hematology/Oncology, Boston Children’s Hospital, 2Harvard Medical School, 3Division of Hematology, Department of Medicine, Brigham and Women’s Hospital, 4Harvard Stem Cell Institute, 5Broad Institute of Massachusetts Institute of Technology, 6Howard Hughes Medical Institute, 7Division of Hematologic Malignancies, Dana-Farber Cancer Institute

JoVE 54168


 Developmental Biology

Generation of Scaffold-free, Three-dimensional Insulin Expressing Pancreatoids from Mouse Pancreatic Progenitors In Vitro

1Program in Developmental Biology, Baylor College of Medicine, 2Center for Cell and Gene Therapy, Texas Children's Hospital, and Houston Methodist Hospital, Baylor College of Medicine, 3Molecular and Cellular Biology Department, Baylor College of Medicine, 4Stem Cell and Regenerative Medicine Center, Baylor College of Medicine, 5McNair Medical Institute, Baylor College of Medicine

JoVE 57599


 Developmental Biology

A Novel Surgical Approach for Intratracheal Administration of Bioactive Agents in a Fetal Mouse Model

1Molecular Virology and Gene Therapy, KU Leuven, 2Department of Woman and Child, KU Leuven, 3Neurobiology and Gene Therapy, KU Leuven, 4Division of Nuclear Medicine, KU Leuven, 5Biomedical NMR Unit/ MoSAIC, KU Leuven

JoVE 4219


 Medicine

Analysis of Cell Suspensions Isolated from Solid Tissues by Spectral Flow Cytometry

1Flow Cytometry Core Facility, Center for Translational Research-Technical Core, Institut Pasteur, 2Unit for Lymphopoiesis, Immunology Department, INSERM U1223, University Paris Diderot, Sorbonne Paris Cité, Cellule Pasteur, Institut Pasteur, 3Stem-Cell Microenvironments in Repair/Regeneration Team, Instituto de Investigação e Inovação em Saúde (i3s), INEB - Instituto de Engenharia Biomédica, 4ICBAS - Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, 5Stem Cells and Regenerative Medicine Team, UMRS 1166, ICAN - Institute of Cardiometabolism And Nutrition, UPMC - Université Pierre et Marie Curie - Paris 6, INSERM

JoVE 55578


 Biology

Visualization of the Superior Ocular Sulcus during Danio rerio Embryogenesis

1Department of Biological Sciences, University of Alberta, 2Women & Children's Health Research Institute, University of Alberta, 3Division of Anatomy, Department of Surgery, University of Alberta, 4Department of Cell Biology, University of Alberta, 5Department of Medical Genetics, University of Alberta, 6Neuroscience and Mental Health Research Institute, University of Alberta

JoVE 59259


 Developmental Biology

Quantitative Whole-mount Immunofluorescence Analysis of Cardiac Progenitor Populations in Mouse Embryos

1Cell, Developmental, and Regenerative Biology Department, Icahn School of Medicine at Mount Sinai, 2Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai, 3Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, 4Microscopy Core, Icahn School of Medicine at Mount Sinai, 5Department of Neuroscience, Icahn School of Medicine at Mount Sinai, 6Friedman Brain Institute, Icahn School of Medicine at Mount Sinai

JoVE 56446


 Developmental Biology

Using In Vivo and Tissue and Cell Explant Approaches to Study the Morphogenesis and Pathogenesis of the Embryonic and Perinatal Aorta

1Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, 2Department of Neurology, Yale University School of Medicine, 3Department of Neurology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine

JoVE 56039


 Developmental Biology

Patient-derived Heterogeneous Xenograft Model of Pancreatic Cancer Using Zebrafish Larvae as Hosts for Comparative Drug Assessment

1Department of Biochemistry and Molecular Biology, Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, School of Basic Medical Sciences, Fudan University, 2National Human Genetic Resources Sharing Service Platform (2005DKA21300), 3Fudan University Shanghai Cancer Center, 4Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, 5Department of Oncology, Shanghai Medical College, Fudan University, 6Pancreatic Cancer Institute, Fudan University

JoVE 59507


 Cancer Research

Visualizing the Node and Notochordal Plate In Gastrulating Mouse Embryos Using Scanning Electron Microscopy and Whole Mount Immunofluorescence

1Graduate Program in Pharmacology and Experimental Therapeutics, University of Cologne, 2Department of Dermatology and Venereology, University Hospital of Cologne, 3Cologne Cluster of Excellence in Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, 4Department of General Ecology, Institute for Zoology, Biocenter Cologne, University of Cologne

JoVE 58321


 Developmental Biology

Tracing Gene Expression Through Detection of β-galactosidase Activity in Whole Mouse Embryos

1Faculty of Biomedical and Health Sciences, Universidad Europea de Madrid, 2Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), 3School of Doctoral Studies and Research, Universidad Europea de Madrid

JoVE 57785


 Developmental Biology

Establishment of Larval Zebrafish as an Animal Model to Investigate Trypanosoma cruzi Motility In Vivo

1Laboratory of Neurosciences and Circadian Rhythms, School of Medicine, Universidad de los Andes, 2Biophysics Group, Department of Physics, Universidad de los Andes, 3Laboratory of Basic Medical Sciences, School of Medicine, Universidad de los Andes, 4Department of Microbiology and Immunology, University of North Carolina, 5Notre Dame Initiative for Global Development, University of Notre Dame, 6USAID Research and Innovation Fellowship program

JoVE 56238


 Developmental Biology

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