Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «M»:
M protein: An antibody or part of an antibody found in unusually large amounts in the blood or urine of patients with multiple myeloma, a form of cancer that arises in plasma cells (white blood cells that produce antibodies)....
M. avium: Mycobacterium avium....
M. intercellulare: Mycobacterium intercellulare....
M. leprae: Mycobacterium leprae....
M. marinum: Mycobacterium marinum....
MD: Abbreviation for the Latin title Medicinae Doctor, Doctor of Medicine. Sometimes written today as MD (without the period after each letter).
All medical schools in the United States and Canada award an M.D. degree, usually after 4 years undergraduate study at a college or university followed by ...
MAB: Or mab. Abbreviation for monoclonal antibody. At the end of a generic drug name, -mab indicates that the drug is a monoclonal antibody. As in adalimumab, bevacizumab, infliximab, rituximab, and trastuzumab....
MAC: Membrane attack complex; Mycobacterium avium complex....
Macerate: To soften tissues after death by soaking and by enzymatic digestion, as occurs with a stillborn.
The word "macerate" comes from the Latin "macero" meaning to soften by soaking (in a liquid)....
Macewen operation: A surgical
operation for inguinal hernia designed by Sir William
Macewen (1848-1924), a surgeon in Glascow, Scotland who
also described Macewen's sign for the detection of
hydrocephalus and brain abscess. ...
Macewen sign: A sign to detect
hydrocephalus and brain abscess. Percussion (tapping) on
the skull at a particular spot (near the junction of the
frontal, temporal and parietal bones) yields an unusually
resonant sound in the presence of hydrocephalus or a brain
Named for Sir William...
Machine, continuous passive motion machine
Machine, continuous passive
motion machine: A machine used to help rehabilitate a limb (an arm or
The continuous passive motion (CPM) machine is attached
to, for example, a knee that has had surgery. The CPM machine then constantly
moves the knee through a range of motion for a period of ...
Machine, CPM: A machine used to help rehabilitate a limb (an arm or leg).
The continuous passive motion (CPM) machine is attached to, for example, a knee that has had surgery. The CPM machine then constantly moves the knee through a range of motion for a period of time while the patient relaxes....
Machine, heart-lung: A machine that does the
of the heart (pump blood) and the lungs (oxygenate the blood). Used,
for example, in open
heart surgery. Blood returning to the heart is diverted through the
returning it to the arterial circulation. Also called a
Macro- (prefix): Prefix from the Greek
"makros" meaning large or long. Examples of terms involving macro-
include macrobiotic, macrocephaly, macrocytic, macroglossia,
macrophage, macroscopic, and macrosomia. The opposite of macro- is