Show Advanced Search

REFINE YOUR SEARCH:

Containing Text
- - -
+
Filter by author or institution
GO
Filter by publication date
From:
October, 2006
Until:
Today
Filter by journal section

Filter by science education

 
 
Extracellular Fluid: The fluid of the body that is outside of Cells. It is the external environment for the cells.

Lymph Node Exam

JoVE 10061

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

The lymphatic system has two main functions: to return extracellular fluid back to the venous circulation and to expose antigenic substances to the immune system. As the collected fluid passes through lymphatic channels on its way back to the systemic circulation, it encounters multiple nodes consisting of highly concentrated clusters of lymphocytes. Most lymph channels and nodes reside deep within the body and, therefore, are not accessible to physical exam (Figure 1). Only nodes near the surface can be inspected or palpated. Lymph nodes are normally invisible, and smaller nodes are also non-palpable. However, larger nodes (>1 cm) in the neck, axillae, and inguinal areas are often detectable as soft, smooth, movable, non-tender, bean-shaped masses imbedded in subcutaneous tissue. Lymphadenopathy usually indicates an infection or, less commonly, a cancer in the area of lymph drainage. Nodes may become enlarged, fixed, firm, and/or tender depending on the pathology present. For example, a soft, tender lymph node palpable near the angle of the mandible may indicate an infected tonsil, whereas a firm, enlarged, non-tender lymph


 Physical Examinations II

Estimation of Nephron Number in Whole Kidney Using the Acid Maceration Method

1Department of Pharmacology and Toxicology, The University of Mississippi Medical Center, 2Department of Medicine, Division of Nephrology, Rush University Medical Center, 3Department of Medicine, Division of Nephrology, The University of Mississippi Medical Center, 4Department of Neurology, The University of Mississippi Medical Center

Video Coming Soon

JoVE 58599


 JoVE In-Press

Transdermal Measurement of Glomerular Filtration Rate in Mice

1Division of Nephrology, Department of Medicine, Vanderbilt University Medical Center, 2Department of Cellular and Molecular Physiology, University of Liverpool, 3MediBeacon GmbH, 4Department of Veterinary Pathology and Public Health, Institute of Veterinary Science, University of Liverpool

JoVE 58520


 Medicine

Adaptation of Microelectrode Array Technology for the Study of Anesthesia-induced Neurotoxicity in the Intact Piglet Brain

1Department of Anesthesiology, Ohio State University College of Medicine, 2Medical Student Research Program, Ohio State University College of Medicine, 3Department of Anesthesiology and Pain Medicine, Nationwide Children's Hospital, 4Department of Neuroscience, University of Kentucky Medical Center

JoVE 57391


 Neuroscience

Transcriptomic Analysis of Human Retinal Surgical Specimens Using jouRNAl

1U968, Institut National de la Santé et de la Recherche Médicale, 2UMR S 968, Université Pierre et Marie Curie, 3UMR 7210, Centre National de la Recherche Scientifique, 4Départment d'Ophtalmologie, Centre Hospitalier Universitaire de Bordeaux

JoVE 50375


 Medicine

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

More Results...