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Drugs and diseases reference index

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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «M»:

  1. Mesothelin Mesothelin
    Mesothelin: A protein attached to the cell surface that is thought to have a role in cell-adhesion and possibly in cell-to-cell recognition and signalling. Mesothelin is so named because it is made by mesothelial cells. A monoclonal antibody, which recognises mesothelin, binds to the surface of cell...
  2. Mesothelioma Mesothelioma
    Mesothelioma: A malignant tumor of the mesothelium. The mesothelium is the thin lining on the surface of the body cavities and the organs that are contained within them. Most mesotheliomas begin as one or more nodules that progressively grow to form a solid coating of tumor surrounding the lung,...
  3. Messenger RNA Messenger RNA
    Messenger RNA: The key intermediary in gene expression, translating the DNA's genetic code into the amino acids that make up proteins. Messenger RNA is abbreviated mRNA....
  4. Met Met
    Met: Methionine. See also: Amino acid symbols....
  5. Metabolic Metabolic
    Metabolic: Relating to metabolism, the whole range of biochemical processes that occur within us (or any living organism). Metabolism consists of anabolism (the buildup of substances) and catabolism (the breakdown of substances). The term "metabolic" is often used to refer specifically to the break...
  6. Metabolic diseases, inherited Metabolic diseases, inherited
    Metabolic diseases, inherited: Also called inborn errors of metabolism, these are heritable (genetic) disorders of biochemistry. Examples include albinism, cystinuria (a cause of kidney stones), phenylketonuria (PKU), and some forms of gout, sun sensitivity, and thyroid disease. These are only a ver...
  7. Metabolic rate, basal Metabolic rate, basal
    Metabolic rate, basal: A measure of the rate of metabolism. For example, someone with an overly active thyroid will have an elevated basal metabolic rate....
  8. Metabolic syndrome Metabolic syndrome
    Metabolic syndrome: A constellation of conditions that place people at high risk for coronary artery disease. These conditions include type 2 diabetes, obesity, high blood pressure, and a poor lipid profile with elevated LDL ("bad") cholesterol, low HDL ("good") cholesterol, elevated triglycerides. ...
  9. Metabolism Metabolism
    Metabolism: The whole range of biochemical processes that occur within an organism. Metabolism consists both of anabolism and catabolism (the buildup and breakdown of substances, respectively). The biochemical reactions are known as metabolic pathways and involve enzymes that transform one substance...
  10. Metabolism, inborn error of Metabolism, inborn error of
    Metabolism, inborn error of: A heritable disorder of the biochemistry of the4 body. Examples of inborn errors of metabolism include albinism, cystinuria (a cause of kidney stones), phenylketonuria (PKU), and some forms of gout, sun sensitivity, and thyroid disease. These are only a very few of ...
  11. Metabolomics Metabolomics
    Metabolomics: The global analysis of metabolites, small molecules generated in the process of metabolism. See also: Metabonomics....
  12. Metabonomics Metabonomics
    Metabonomics: The study of metabolic responses to drugs, environmental changes and diseases. Metabonomics is an extension of genomics (concerned with DNA) and proteomics (concerned with proteins). Following on the heels of genomics and proteomics, metabonomics may lead to more efficient drug discove...
  13. Metacarpals Metacarpals
    Metacarpals: Five cylindrical bones extending from the wrist to the fingers. ...
  14. Metacentric chromosome Metacentric chromosome
    Metacentric chromosome: A chromosome with arms of equal length. ...
  15. Metagene Metagene
    Metagene: A pattern of gene expression. Not an actual gene. "We identified aggregate patterns of gene expression (metagenes) that associate with lymph node status and recurrence, and that are capable of predicting outcomes in individual patients with about 90% accuracy." (Lancet 2003; 361: 1590) ...