lancinating. A sharp, cutting pain.

Lassar’s paste. An ointment containing salicylic acid, talcum and zinc oxide.

laughing gas. Nitrous oxide gas.

lead and opium wash. See Wash.

leucemia. A disease of the blood marked by persistent leucocytosis.

leucocyte. White blood corpuscle or a white cell.

leucocytosis. An increase in the number of white cells in the blood.

leukos. White, as in leucocyte, a white blood cell.

ligament. A band or sheet of fibrous tissue connecting two or more bones, cartilages or other structures or serving as support for fasciae or muscle.

ligature. A thread or the like tied about a blood vessel or other structure to constrict it.