from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A ptomaine, related to choline, formed during putrefaction of biological tissues
from the GNU version of the Collaborative International Dictionary of English
- n. A poisonous organic base (a ptomaine) formed in the decomposition of protagon with boiling baryta water, and in the putrefaction of proteid matter. It was for a long time considered identical with choline, a crystalline body originally obtained from bile. Chemically, however, choline is oxyethyl-trimethyl-ammonium hydroxide, while neurine is vinyl-trimethyl-ammonium hydroxide.
from The Century Dictionary and Cyclopedia
- n. A ptomaine, and possibly also a leucomaine, having the formula (CH3)3.C2H3.NOH. It has decided toxic properties.
- n. A basic substance having the formula (CH3)3.C2H4.OH.NOH: same as choline.
- n. The substance of which nervetissue is composed, consisting chiefly of fat and albumin containing phosphorus.
- n. An extract made from nerve-tissue, employed therapeutically.
Sorry, no etymologies found.