alpha medical definition
noun- Symbol α The first letter of the Greek alphabet.
- The first one in a series; the beginning.
- The first position from a designated carbon atom in an organic molecule at which an atom or radical group may be substituted.
adjective- Characterizing the atom or radical group that is closest to the functional group of atoms in an organic molecule.
- Relating to one of two or more closely related substances, as in stereoisomers.
- Relating to or characterizing a polypeptide chain that is one of five types of heavy chains present in immunoglobins.
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