Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «M»:
Mead, Margaret: (1901-1978)
American anthropologist, author, and social critic. From the publication of her
first book, "Coming of Age in Samoa," in 1928, in which she described the values
of adolescent lovemaking in Samoan society, her name became associated with
sexual theory. The scientific q...
Meadow syndrome: After Dr. Roy Meadow, the pediatrician who coined the term Munchhausen syndrome by proxy....
Meal moth: A moth that
infests both stored grain and cereal products. The moth larvae cause damage in
corn meal, packaged foods, bagged grain and grain in storage. Attack is confined
to surface layers of stored shelled corn and small grains. In the case of stored
ear corn, however, feeding occur...
Mean cell hemoglobin
Mean cell hemoglobin: The average amount of hemoglobin in the average red cell. The mean cell hemoglobin (MCH) is a calculated value derived from the measurement of hemoglobin and the red cell count. (The hemoglobin value is the amount of hemoglobin in a volume of blood while the red cell count is ...
Mean cell hemoglobin concentration
Mean cell hemoglobin concentration: The average concentration of hemoglobin in a given volume of blood. The MCHC is a calculated value derived from the measurement of hemoglobin and the hematocrit. (The hemoglobin value is the amount of hemoglobin in a volume of blood while the hematocrit is the ra...
Mean cell volume
Mean cell volume: A standard part of the complete blood count, the mean cell volume (MCV) is the average volume of a red blood cell. This is a calculated value derived from the hematocrit and the red cell count (The hematocrit is the ratio of the volume of red cells to the volume of whole blood whil...
Measles: An acute and highly contagious viral
disease characterized by fever, runny nose, cough, red eyes, and a
spreading skin rash. Measles, also known as rubeola, is a potentially
disastrous disease. It can be complicated by ear infections,
pneumonia, encephalitis (which can cause convulsion...
Inflammation of the brain (encephalitis) occurs in perhaps
1 in 1,000 cases of measles, starting (up to 3 weeks) after
onset of the rash and presenting with high fever,
convulsions, and coma. It usually runs a blessedly short
course with full recovery within a week. Or ...
Measles immunization: The standard MMR
vaccine is given
to prevent measles, mumps and rubella (German measles). The MMR
vaccine is now given in
two dosages. The first should be given at 12-15 months of age. The
second vaccination should be given at 4-6 years. Most children
should receive MMR vac...
Measles syndrome, atypical (AMS)
Measles syndrome, atypical (AMS): An altered
expression of measles, AMS begins
suddenly with high fever, headache, cough, and abdominal
pain. The rash may appear 1 to 2 days later, often
beginning on the limbs. Swelling (edema) of the hands and
feet may occur. Pneumonia is common and may persi...
Measly: The word measly can refer to measles, and,
thence, to spotty and, thence, to something that is of little value. In medicine, the
measly tapeworm is the pork tapeworm (T. solium) which can be contracted through eating
measly pork (pork infected with the larval form of T. solium)....
Measly tapeworm: Taenia solium....
Meatus: An opening or passageway. For example, the female urethral meatus. The urethra is the transport tube from the bladder to the outside of the body. In females the urethra is shorter than in the male.
The meatus of the female urethra is just above the vaginal opening, as shown here:...
Meatus, female urethral
Meatus, female urethral: The urethra is the transport tube leading from the bladder to discharge urine outside the body. In females the urethra is shorter than in the male. The meatus (opening) of the female urethra is above the vaginal opening, as indicated here:...
Mechanical ventilation: Use of a machine called a ventilator or respirator to improve the exchange of air between the lungs and the atmosphere....