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vitamin deficiency

lack of a vitamin needed for normal bodily functions. For example, deficiency of thiamine (vitamin B1) is often associated with severe and chronic alcoholism (see Wernicke’s encephalopathy; Wernicke–Korsakoff syndrome).

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Psychology term of the day

May 8th 2024

peptide

peptide

n. a short chain of amino acids linked by peptide bonds. Peptides are usually identified by the number of amino acids in the chain. For example, dipeptides have two amino acids, tripeptides three, tetrapeptides four, and so on. See also polypeptide; protein.