Formicinae (suborder Apocrita, family Formicidae) Subfamily of ants which have a single petiole segment. The tip of the gaster is armed with an acidopore through which venom containing formic acid is ejected. The subfamily includes the weaver ants. There are about 5000 species, with a world-wide distribution. See also OECOPHYLLA LEAKEYI.
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saturated fat , saturated fat Organic fatty compounds, the molecules of which contain only saturated fatty acids combined with glycerol. These acids have long chains… Achlorhydria , hypochlorhydria Partial deficiency of hydrochloric acid secretion in the gastric juice. See also achlorhydria; anaemia, pernicious. achlorhydria Defi… Gastric Acid , acid, gastric The acid in the gastric secretion is hydrochloric acid; see also achlorhydria; gastric acidity. gastric acid See gastric secretion. Glutamic Acid , glutamic acid A non‐essential amino acid; it is acidic since it has two carboxylic acid groups; its amide is glutamine. See also monosodium glutamate… Threonine , threonine An essential amino acid. It was the last of the protein amino acids to be discovered, in 1935, in studies of nitrogen balance on subjects f… Unsaturated Fatty Acids , polyunsaturated fatty acids Long‐chain fatty acids containing two or more double bonds, separated by methylene bridges: —CH2—CH=CH—CH2—CH=CH—CH2—. un…
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