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Reflex, Abdominal: Contractions of the abdominal muscles upon stimulation of the skin (superficial abdominal reflex) or tapping neighboring bony structures (deep abdominal reflex). The superficial reflex may be weak or absent, for example, after a stroke, a sign of upper (suprasegmental) motor neuron lesions. (Stedman, 25th ed & Best & Taylor's Physiological Basis of Medical Practice, 12th ed, p1073)
 JoVE Medicine

Development of an Algorithm to Perform a Comprehensive Study of Autonomic Dysreflexia in Animals with High Spinal Cord Injury Using a Telemetry Device

1International Collaboration on Repair Discoveries (ICORD), Faculty of Medicine, University of British Columbia, 2Department of Medicine, Division of Physical Medicine and Rehabilitation, University of British Columbia, GF Strong Rehabilitation Centre


JoVE 52809

 JoVE Medicine

Surgical Models of Gastroesophageal Reflux with Mice

1Department of Thoracic Surgery, Ningxia Medical University General Hospital, 2Cancer Research Program, North Carolina Central University, 3Department of Thoracic & Cardiovascular Surgery, The First Affiliated Hospital of Chongqing Medical University, 4Department of Medicine, Center for Esophageal Disease and Swallowing, Division of Gastroenterology and Hepatology, University of North Carolina at Chapel Hill


JoVE 53012

 Science Education: Essentials of Physical Examinations II

Male Rectal Exam

JoVE Science Education

Source: Joseph Donroe, MD, Internal Medicine and Pediatrics, Yale School of Medicine, New Haven, CT

While its usefulness in cancer screening is debated, the male rectal examination remains an important part of the physical exam. The exam is indicated in selected patients with lower urinary tract symptoms, urinary and/or fecal incontinence or retention, back pain, anorectal symptoms, abdominal complaints, trauma patients, unexplained anemia, weight loss, or bone pain. There are no absolute contraindications to the rectal exam; however, relative contraindications include patient unwillingness to undergo the exam, severe rectal pain, recent anorectal surgery or trauma, and neutropenia. When performing the rectal exam, the examiner should conceptualize the relevant anatomy. The external anal sphincter is the most distal part of the anal canal, which extends three to four centimeters before transitioning into the rectum. The prostate gland lies anterior to the rectum, just beyond the anal canal. The posterior surface of the prostate, including its apex, base, lateral lobes, and median sulcus, can be palpated through the rectal wall (Figure 1). The normal consistency of the prostate is similar to the thenar eminence when the hand is in a tight fist. The thumb knuckle is representativ

 JoVE Medicine

Bile Duct Ligation in Mice: Induction of Inflammatory Liver Injury and Fibrosis by Obstructive Cholestasis

1Institute of Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry, RWTH Aachen University, 2Institute for Laboratory Animal Science and Experimental Surgery, RWTH Aachen University, 3Department of Medicine III, RWTH Aachen University


JoVE 52438

 JoVE Developmental Biology

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

 JoVE Neuroscience

Efficient Gene Delivery into Multiple CNS Territories Using In Utero Electroporation

1Department of Biochemistry and Molecular Biology, Hotchkiss Brain Institute, Alberta Children’s Hospital Research Institute, University of Calgary, 2Department of Medical Genetics, Alberta Children’s Hospital Research Institute, Hotchkiss Brain Institute, University of Calgary


JoVE 2957

 JoVE Medicine

The Use of Cystometry in Small Rodents: A Study of Bladder Chemosensation

1Laboratory of Experimental Urology, Department of Development and Regeneration, KU Leuven, Belgium, 2Laboratory for Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven, Belgium, 3TRP Research Platform Leuven (TRPLe), KU Leuven, Belgium


JoVE 3869

 JoVE Bioengineering

Epithelial Cell Repopulation and Preparation of Rodent Extracellular Matrix Scaffolds for Renal Tissue Development

1Comprehensive Transplant Center, Feinberg School of Medicine, Northwestern University, 2Department of Surgery, Feinberg School of Medicine, Northwestern University, 3Department of Biomedical Engineering, Northwestern University, 4Simpson Querrey Institute for BioNanotechnology in Medicine, Northwestern University, 5Department of Internal Medicine, University of New Mexico HSC, 6Department of Pathology, University of New Mexico HSC, 7Department of Chemical and Biological Engineering, Northwestern University, 8Chemistry of Life Processes Institute, Northwestern University, 9Department of Surgery, Jesse Brown VA Medical Center


JoVE 53271

 JoVE Neuroscience

Visualization and Genetic Manipulation of Dendrites and Spines in the Mouse Cerebral Cortex and Hippocampus using In utero Electroporation

1Division of Molecular Neurobiology, MRC National Institute for Medical Research, 2Confocal and Image Analysis Laboratory, National Institute for Medical Research, 3Physiopathologie de la plasticité neuronale, Neurocentre Magendie, Université de Bordeaux


JoVE 4163

 JoVE Medicine

A Mouse Tumor Model of Surgical Stress to Explore the Mechanisms of Postoperative Immunosuppression and Evaluate Novel Perioperative Immunotherapies

1Centre for Innovative Cancer Research, Ottawa Hospital Research Institute, 2Department of Cellular and Molecular Medicine, University of Ottawa, 3Department of Biochemistry, Microbiology and Immunology, University of Ottawa, 4Department of Neurosurgery, The Second Hospital of Shandong University, 5Department of Medical Laboratory Technology, University of Tabuk, 6Department of Surgery, Ottawa General Hospital


JoVE 51253

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