levo-

pref.

表示“在左方，向左方”之义；

IDO1 and IDO2 are expressed in human tumors: levo- but not dextro-1-methyl tryptophan inhibits tryptophan catabolism.
Levo- but not dextro-1-methyl tryptophan abrogates the IDO activity of human dendritic cells
Levo- but not dextro-1-methyl tryptophan abrogates the IDO activity of human dendriticand tumor-cells (P092)
Antiarrhythmic and antifibrillatory actions of the levo- and dextrorotatory isomers of sotalol.
The effect of dextro-, levo-, and racemic verapamil on atrioventricular conduction in humans
Disposition of levo-[3H]cocaine in pregnant and nonpregnant mice
Mixed cryoglobulinemia: clinical aspects and long-term follow-up of 40 patients
Double-blind parallel design pilot study of acetyl levocarnitine in patients with Alzheimer's disease.
A comparison of levomethadyl acetate, buprenorphine, and methadone for opioid dependence.
Levobupivacaine: a review of its pharmacology and use as a local anaesthetic