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Winter, Sir Gregory Paul

(Encyclopedia)Winter, Sir Gregory Paul, 1951–, British biochemist, Ph.D. Cambridge, 1976. He has spent most of his career as a researcher at the Laboratory of Molecular Biology in Cambridge, England, where since ...

spinal puncture

(Encyclopedia)spinal puncture, surgical penetration of the spinal canal by a hollow needle introduced between two of the lumbar vertebrae. The arrangement permits injection of antibiotics or anesthetics (see anesth...

Südhof, Thomas Christian

(Encyclopedia)Südhof, Thomas Christian, 1955–, German-American biochemist. M.D., b. Göttingen, Germany, Ph.D. Georgia Augusta Univ., Göttingen, 1982. Südhof joined the faculty at the Univ. of Texas Southweste...

sphagnum

(Encyclopedia)sphagnum sfăgˈnəm [key] or peat moss, any species of the large and widely distributed genus Sphagnum, economically the most valuable moss. Sphagnums, the principal constituent of peat, typically gr...

Rothman, James Edward

(Encyclopedia)Rothman, James Edward, 1950–, American cell physiologist, b. Haverhill, Mass., Ph.D. Harvard, 1976. Rothman was a professor at Stanford from 1978 to 1988 and at Princeton from 1988 to 1991. He taugh...

rifampin

(Encyclopedia)rifampin rĭfămˈpĭn [key], antibiotic used in the treatment of tuberculosis. It is also used to eliminate the meningococcus microorganism from carriers and to treat leprosy, or Hansen's disease. Ri...

endocrine system

(Encyclopedia)endocrine system ĕnˈdəkrĭn [key], body control system composed of a group of glands that maintain a stable internal environment by producing chemical regulatory substances called hormones. The end...

hypersensitivity

(Encyclopedia)hypersensitivity, heightened response in a body tissue to an antigen or foreign substance. The body normally responds to an antigen by producing specific antibodies against it. The antibodies impart i...

flax

(Encyclopedia)flax, common name for members of the Linaceae, a family of annual herbs, especially members of the genus Linum, and for the fiber obtained from such plants. The flax of commerce (several varieties of ...

lymphatic system

(Encyclopedia)CE5 Lymphatic system lymphatic system lĭmfătˈĭk [key], network of vessels carrying lymph, or tissue-cleansing fluid, from the tissues into the veins of the circulatory system. The lymphatic sy...