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Serous Membrane: A thin lining of closed cavities of the body, consisting of a single layer of squamous epithelial cells (Mesothelium) resting on a thin layer of Connective tissue, and covered with secreted clear fluid from blood and lymph vessels. Major serous membranes in the body include Pericardium; Peritoneum; and Pleura.
 JoVE Medicine

In Vivo and Ex Vivo Approaches to Study Ovarian Cancer Metastatic Colonization of Milky Spot Structures in Peritoneal Adipose

1Section of Urology, Department of Surgery, The University of Chicago, 2Department of Pathology, Robert Wood Johnson Medical School, 3Campbell Family Institute for Breast Cancer Research, Princess Margaret Cancer Centre, University Health Network, 4Department of Laboratory Medicine and Pathobiology, Campbell Family Institute for Breast Cancer Research, Princess Margaret Cancer Centre, University of Toronto, University Health Network, 5Departments of Medicine, Pharmacology, and Cancer Biology, Duke University Medical Center


JoVE 52721

 Science Education: Essentials of Physical Examinations II

Ear Exam

JoVE Science Education

Source: Richard Glickman-Simon, MD, Assistant Professor, Department of Public Health and Community Medicine, Tufts University School of Medicine, MA

This video describes the examination of the ear, beginning with a review of its surface and interior anatomy (Figure 1). The cartilaginous auricle consists of the helix, antihelix, earlobe, and tragus. The mastoid process is positioned just behind the earlobe. The slightly curving auditory canal ends at the tympanic membrane, which transmits sound waves collected by the external ear to the air-filled middle ear. The Eustachian tube connects to the middle ear with the nasopharynx. Vibrations of the tympanic membrane transmit to the three connected ossicles of the middle ear (the malleus, incus, and stapes). The vibrations are transformed into electrical signals in the inner ear, and then carried to the brain by the cochlear nerve. Hearing, therefore, comprises a conductive phase that involves the external and middle ear, and a sensorineural phase that involves the inner ear and cochlear nerve. The auditory canal and the tympanic membrane are examined with the otoscope, a handheld instrument with a light source, a magnifier, and a disposable cone-shaped speculum. It is important to be familiar with the tympanic membrane landmarks (

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 JoVE Medicine

Initiation of Metastatic Breast Carcinoma by Targeting of the Ductal Epithelium with Adenovirus-Cre: A Novel Transgenic Mouse Model of Breast Cancer

1Tumor Microenvironment and Metastasis Program, Wistar Institute, 2Department of Pathology and Lab Medicine, Perelman School of Medicine, University of Pennsylvania, 3Department of Microbiology and Immunology and Department of Genetics, Geisel School of Medicine at Dartmouth, 4Division of Endocrine and Oncologic Surgery, Department of Surgery, Perelman School of Medicine, University of Pennsylvania, 5Rena Rowan Breast Center, Abramson Cancer Center, University of Pennsylvania, 6Center for Advanced Medicine, University of Pennsylvania


JoVE 51171

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 JoVE Biology

Reconstitution of a Transmembrane Protein, the Voltage-gated Ion Channel, KvAP, into Giant Unilamellar Vesicles for Microscopy and Patch Clamp Studies

1Institut Curie, Centre de Recherche, CNRS, UMR 168, PhysicoChimie Curie, Université Pierre et Marie Curie, 2Kavli Institute for Brain and Mind, University of California, San Diego, 3Molecular Physiology and Biophysics Section, National Institute for Neurological Disorders and Stroke, National Institute of Health


JoVE 52281

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 JoVE Chemistry

From Constructs to Crystals – Towards Structure Determination of β-barrel Outer Membrane Proteins

1Department of Biological Sciences, Markey Center for Structural Biology, Purdue University, 2National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health, 3National Institute of General Medical Sciences (NIGMS), National Institutes of Health


JoVE 53245

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 JoVE Neuroscience

SNARE-mediated Fusion of Single Proteoliposomes with Tethered Supported Bilayers in a Microfluidic Flow Cell Monitored by Polarized TIRF Microscopy

1Department of Cellular and Molecular Physiology, Yale University School of Medicine, 2Nanobiology Institute, Yale University, 3Department of Molecular Biophysics and Biochemistry, Yale University, 4Laboratoire de Neurophotonique, Université Paris Descartes, Faculté des Sciences Fondamentales et Biomédicales, Centre National de la Recherche Scientifique (CNRS)


JoVE 54349

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 JoVE Neuroscience

Imaging Membrane Potential with Two Types of Genetically Encoded Fluorescent Voltage Sensors

1Department of Transdisciplinary Studies, Graduate School of Convergence Science and Technology, Seoul National University, 2Center for Functional Connectomics, Korea Institute of Science and Technology, 3College of Life Sciences and Biotechnology, Korea University, 4Advanced Institutes of Convergence Technology


JoVE 53566

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 JoVE Immunology and Infection

Monitoring Changes in Membrane Polarity, Membrane Integrity, and Intracellular Ion Concentrations in Streptococcus pneumoniae Using Fluorescent Dyes

1Department of Microbiology and Immunology, University at Buffalo, State University of New York, 2Witebsky Center for Microbial Pathogenesis and Immunology, University at Buffalo, State University of New York, 3New York State Center of Excellence in Bioinformatics and Life Sciences, University at Buffalo, State University of New York


JoVE 51008

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 JoVE Bioengineering

Isolation and Characterization Of Chimeric Human Fc-expressing Proteins Using Protein A Membrane Adsorbers And A Streamlined Workflow

1Department of Chemical and Biomolecular Engineering, Ohio University, 2Biomedical Engineering Program, Russ College of Engineering and Technology, Ohio University, 3Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School


JoVE 51023

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