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(1 to 10 of 538 matches)
M proteins
Antibodies or parts of antibodies found in unusually large amounts in the blood or urine of multiple myeloma patients.
M.P.H.
Master of Public Health (master’s degree in this area of medicine).
MAC (Mycobacterium avium complex)
MAC is a serious opportunistic infection caused by two similar bacteria (Mycobacterium avium and Mycobacterium intercellulare) found in the soil and dust particles.
In AIDS, MAC can spread through the bloodstream to infect lymph nodes, bone marrow, liver, spleen, spinal fluid, lungs and intestinal tract.
Typical symptoms of MAC include night sweats, weight loss, fever, fatigue, diarrhea and enlarged spleen. MAC is usually found in people with CD4 counts below 100.
Clarithromycin, azithromycin, ethambutal, rifampin, clofazimine and rifabutin are some of the antibiotics commonly used in MAC prevention and treatment.
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’s 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 ofhydrocephalus or a brain abscess. Named for Sir William Macewen (1848-1924), a surgeon in Glascow, Scotland who also described Macewen’s operation for inguinal hernia.
Machine, continuous passive motion machine
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, 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 work both 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 machine before returning it to the arterial circulation. Also called a pump-oxygenator. John H. Gibson invented the heart-lung machine which was first successfully used in open-heart surgery in 1953.
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 micro-.
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