Macrophages are cells produced by the differentiation of monocytes in tissues. Human macrophages are about 21...
Maltose or malt sugar, is a disaccharide formed from two units of glucose joined with an α(1-4)bond, formed...
Marburg virus disease (MVD) is the name for the human disease caused by any of the two marburgviruses Marburg...
Meiosis is a special type of cell division necessary for sexual reproduction in eukaryotes. The cells...
Melanin is a pigment that is ubiquitous in nature, being found in most organisms. In animals melanin pigments...
Melanocytes are melanin producing cells located in the bottom layer (the stratum basale) of the skin\'s...
Melanoma is a malignant tumor of melanocytes. Melanocytes are cells that produce the dark pigment, melanin,...
A mesophile is an organism that grows best in moderate temperature, neither too hot nor too cold, typically...
Methane is a chemical compound with the chemical formula CH4. It is the simplest alkane, the main component...
In the chemical sciences, methylation denotes the addition of a methyl group to a substrate or the substitution of...
Microchimerism is the presence of a small number of cells that originate from another individual and are therefore...
Microfilaments (or actin filaments) are the thinnest filaments of the cytoskeleton, a structure found in the...
Microtubules are a component of the cytoskeleton. These rope-like polymers of tubulin can grow as long as 25...
Mimivirus is a viral genus containing a single identified species named Acanthamoeba polyphaga mimivirus (APMV),...
A microRNA (abbreviated miRNA) is a short ribonucleic acid (RNA) molecule found in eukaryotic cells. A microRNA...
In cell biology, a mitochondrion (plural mitochondria) is a membrane-enclosed organelle found in most eukaryotic...
Mitosis is the process by which an eukaryotic cell separates the chromosomes in its cell nucleus into two...
Monoclonal antibodies (mAb or moAb) are monospecific antibodies that are the same because they are made by...
Messenger RNA (mRNA) is a molecule of RNA that encodes a chemical \"blueprint\" for a protein product. mRNA is...
In genetics, a mutagen is a physical, chemical or biological agent that changes the genetic material, usually...
In molecular biology and genetics, mutations are changes in a genomic sequence: the DNA sequence of a cell\'s...
Mutualism is the way two organisms of different species biologically interact in a relationship in which each...
Myelin is a dielectric material that forms a layer, the myelin sheath, usually around only the axon of a neuron....