leukaemia
- n malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer
leukemia
- n malignant neoplasm of blood-forming tissues; characterized by abnormal proliferation of leukocytes; one of the four major types of cancer
leukeran
- n an alkalating agent (trade name Leukeran) used to treat some kinds of cancer
leukocyte
- n blood cells that engulf and digest bacteria and fungi; an important part of the body's defense system
leukocytosis
- n an abnormal increase in the number of white blood cells in the blood as a result of infection (as in leukemia)
leukoderma
- n a congenital skin condition characterized by spots or bands of unpigmented skin
leukoma
- n eye disease consisting of an opaque white spot on the cornea
leukorrhea
- n discharge of white mucous material from the vagina; often an indication of infection
leukotomy
- n surgical interruption of nerve tracts to and from the frontal lobe of the brain; often results in marked cognitive and personality changes
leuwenhoek
- n Dutch pioneer microscopist who was among the first to recognize cells in animals and who gave the first accurate descriptions of microbes and spermatozoa and blood corpuscles (1632-1723)