MSAFP (maternal serum alpha-fetoprotein)
High with open neural tube defects such as anencephaly and spina bifida (meningomyelocele); and
Low with Down syndrome (trisomy 21, an extra chromosome number 21).
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- MSBP
Munchhausen syndrome by proxy.
- MSG
Monosodium glutamate, a sodium salt of the amino acid glutamic acid that enhances the flavor of certain foods. Originally isolated from seaweed, MSG is now made by fermenting corn, potatoes and rice. It does not enhance the four basic tastes (bitter, salty, sour, sweet) but it does enhance the complex flavors of meat, poultry, seafood, […]
- MST
A multiple subpial transection (MST) is a procedure is used to help control seizures that begin in areas of the brain that cannot be safely removed. The surgeon makes a series of shallow cuts (transections) in the brain tissue. These cuts interrupt the movement of seizure impulses but do not disturb normal brain activity, leaving […]
- MTX
Abbreviation for methotrexate.
- Mucocutaneous lymph node syndrome
A syndrome of unknown origin that mainly affects young children. It causes fever, reddening of the eyes (conjunctivitis) and lips and mucous membranes of the mouth, ulcerative gum disease (gingivitis), swollen glands in the neck (cervical lymphadenopathy), and a rash that is raised and bright red (maculoerythematous) in a glove-and-sock fashion over the hands and […]