Category: M

  • Molal

    One mole of solute per kilogram of solvent.  

  • Moisture vapor transmission rate

    The rate at which a barrier permits moisture to penetrate or escape. In pharmaceutical packaging the moisture vapor transmission rate is one element that determines the shelf life and expiration of a medication.  

  • Mohs chemosurgery technique

    A method of excising tumors of the skin. The tumor tissue is fixed in place and a layer is removed. That portion is then examined microscopically. This procedure is repeated until the entire tumor is removed. Use of this technique ensures complete removal. It is esp. useful in treating basal cell epitheliomas.  

  • Moebius’ sign

    A symptom of Graves’ disease in which one eye converges and the other diverges when one looks at the tip of one’s nose.    

  • Modulus

    In physics, a constant or coefficient that indicates to what extent a substance possesses some property.  

  • Modulation

    The alteration in function or status of something in response to a stimulus or altered chemical or physical environment.  

  • Modified Ottawa ankle rules

    A 1998 modification of the 1992 Ottawa ankle rules that extended the palpation zone from the lateral malleolus to the midportion of the malleolus. This change significantly increased the specificity of the examination for ankle fracture.  

  • Moderation

    The limited use of a substance; the avoidance of excessive or hazardous exposure to a potentially harmful agent.  

  • Model of human occupation

    A conceptual framework for viewing occupational therapy practice, aimed at improving the patient’s organization of time, overall function, and adaptation as reflected in the performance of occupations. Within this framework, intervention includes strategies for fostering skill development and habit changes through role acquisition, improved self-image, and environmental changes.  

  • Modal personality

    The personality traits or characteristics typical of the society in which a person lives.