ALL meanings of histidine
his·ti·dine
H h - noun histidine an essential amino acid, C 3 H 3 N 2 CH 2 CH(NH 2)COOH, that is a constituent of proteins and is important as the iron-binding site in hemoglobin. Symbol: H. Abbreviation: His; 1
- noun histidine A basic amino acid that is a constituent of most proteins. It is an essential nutrient in the diet of vertebrates, and is the source from which histamine is derived in the body. 1
- noun histidine a nonessential amino acid that occurs in most proteins: a precursor of histamine 0
- noun histidine a nonessential amino acid, C3H3N2CH2CH(NH)2COOH, that is essential for growth in infancy 0