Matter, gray
The cortex of the brain, which contains nerve cell bodies. The gray matter is so named because it is darker than the white matter, the part of the brain that contains myelinated nerve fibers.
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- Matter, white
The part of the brain that contains myelinated nerve fibers. The white matter is white because it is the color of myelin, the insulation that covers nerve fibers.
- Maturity onset diabetes of the young
MODY1 is caused by mutation in the hepatocyte nuclear factor-4-alpha gene (HNF4A) on chromosome 20. MODY2 is caused by mutation in the glucokinase gene (GCK) on chromosome 7. MODY3 is caused by mutation in the hepatic transcription factor-1 gene (TCF1) on chromosome 12q24.2. MODY4 is caused by mutation in the insulin promoter factor-1 gene (IPF1) […]
- Maxilla
The major bone of the upper jaw.
- MBChB
Bachelor of Medicine and Bachelor of Surgery degrees, which are awarded in the U.K. and other countries (such as New Zealand and South Africa) after 5 years of what is analogous to a combined undergraduate-graduate course of study. As a rule, the first two years of the program leading to the MBChB are designed to […]
- MCAD deficiency
hypoglycemia (Low blood sugar), vomiting, lethargy, encephalopathy (brain disease), respiratory arrest, hepatomegaly (enlarged liver), seizures, apnea, cardiac arrest, coma, and sudden death. Long-term outcomes may include developmental and behavioral disability, chronic muscle weakness, failure to thrive, cerebral palsy, and attention deficit hyperactivity disorder (ADHD). A precipitating factor is needed for clinical symptoms to present. It […]