Major histocompatibility complex
Abbreviated MHC. A cluster of genes located on chromosome 6 concerned with antigen production and critical to the success of transplantation. The MHC includes the human leukocyte antigen (HLA) genes.
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Poor intestinal absorption of nutrients. Malabsorption can occur from diseases that injure the bowels, such as Crohn’s disease, Whipple’s disease, celiac disease, and many others.
- Malacia
Softening. For example, osteomalacia is softening of bone, usually due to deficiency of calcium and vitamin D.
- Malaise
A vague feeling of discomfort, one that cannot be pinned down but is often sensed as ‘just not right.’
- Malar
Referring to the cheek. For example, a malar rash is a rash that appears over the cheeks.
- Malaria
An infectious disease caused by protozoan parasites from the Plasmodium family that can be transmitted by the bite of the Anopheles mosquito or by a contaminated needle or transfusion. Falciparum malaria is the most deadly type. The symptoms of malaria include cycles of chills, fever, sweats, muscle aches and headache that recur every few days. […]