Category: M

  • Maximal mid-expiratory flow

    Liters per second of air expelled from the lungs during forced exhalation; a test of air flow obstruction.  

  • Maximal breathing capacity

    The amount of air a person can breathe per minute.  

  • Maturity-onset diabetes of youth

    A rare, relatively mild form of diabetes mellitus in children or young people.  

  • Mass spectrometry

    An ionizing technique that uses the mass of compounds to identify and quantitate them. Peptides, catecholamines, bile acids, and various drugs are analyzed by this method. A process that separates and identifies molecules by ionizing them, assessing their ratio of mass to ionic charge, and measuring the electrical current they generate. A technique utilized for…

  • Magnetic resonance angiography

    A computerized imaging technique that enables the doctor to visualize and study the heart. Noninvasive imaging of blood vessels using magnetic resonance imaging. The technique does not expose patients to ionizing radiation and avoids catheterization of the vessels. It has been used to study aneurysms, blockages, and other diseases of the carotid, coronary, femoral, iliac,…

  • Myringa

    Tympanic membrane; also known as the eardrum.  

  • Myofascial pain syndrome

    Chronic discomfort in muscles and soft tissues surrounding joints; also known as fibromyalgia syndrome. A group of conditions causing pain in or near the joint (called the temporomandibular joint, or TMJ) that connects the lower jaw to the skull and in the muscles that control chewing. Sometimes called temporomandibular joint disorder (TMD), myofascial pain disorder…

  • Myocardiorrhaphy

    Surgical repair of the muscle of the heart by suturing.  

  • Myelogenous leukemia

    Hematological disorder characterized by proliferation of myelopoietic cells and grossly increased numbers of immature and mature granulocytes in the blood and organs.  

  • Musculature

    The muscles of the body or the muscles in a particular part of the body. The arrangement of muscles in the body or its parts.