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fetal tissue implant

(Encyclopedia)fetal tissue implant or fetal cell therapy, implantation of tissue from a fetus into a patient. In experimental procedures, fetal brain tissue has been implanted in the brains of patients with Parkins...

Paysandú

(Encyclopedia)Paysandú pīsändo͞oˈ [key], city (1996 pop. 84,172), capital of Paysandú dept., W Uruguay, a port on the Uruguay River. It is Uruguay's third largest city and the commercial center for a rich sto...

sarsaparilla

(Encyclopedia)sarsaparilla särsˌpərĭlˈə, săsˌ– [key], common name for various plants belonging to two different classes and also for an extract from their roots, formerly much used in medicine and in beve...

Mexicali

(Encyclopedia)Mexicali māhēkäˈlē [key], city (1990 pop. 438,377), capital of Baja California state, NW Mexico, across the border from Calexico, Calif. Once noted chiefly as the center of a cotton- and cereal-r...

grape hyacinth

(Encyclopedia)grape hyacinth, any plant of the genus Muscari of the family Liliaceae (lily family), low plants with dense spikelike clusters of small, nodding flowers that are usually deep blue. Of more than 50 Old...

streptococcus

(Encyclopedia)streptococcus strĕpˌtəkŏkˈəs [key], any of a group of gram-positive bacteria, genus Streptococcus, some of which cause disease. Streptococci are spherical and divide by fission, but they remain ...

blood bank

(Encyclopedia)blood bank, site or mobile unit for collecting, processing, typing, and storing whole blood, blood plasma and other blood constituents. Most hospitals maintain their own blood reserves, and the Americ...

cambium

(Encyclopedia)cambium kămˈbēəm [key], thin layer of generative tissue lying between the bark and the wood of a stem, most active in woody plants. The cambium produces new layers of phloem on the outside and of ...

Snell, George Davis

(Encyclopedia)Snell, George Davis, 1903–96, American immunologist, b. Bradford, Mass., Ph.D. Harvard, 1930. He was associated with the Jackson Laboratory in Bar Harbor, Maine from 1935 to 1973. His identification...

Lind, James

(Encyclopedia)Lind, James, 1716–94, English naval surgeon. Considered the founder of naval hygiene in England, Lind observed on a ten-week cruise (1746) that 80 seamen of 350 came down with scurvy. In his Treatis...