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tamoxifen

(Encyclopedia)tamoxifen təmŏkˈsĭfĕnˌ [key], synthetic hormone used in the treatment of breast cancer. Introduced in 1978, tamoxifen is used to prevent recurrences of cancer in women who have already undergone...

rabies

(Encyclopedia)rabies hīˌdrəfōˈbēə [key], acute viral infection of the central nervous system in dogs, bats, foxes, raccoons, skunks, and other animals, and in humans. The virus is transmitted from an animal ...

pantanal

(Encyclopedia)pantanal pəntənälˈ [key], lowland region of SW Mato Grosso state, Brazil, bordering the Paraguay River and extending to the the western edge of the Brazilian Plateau. Parts of the pantanal extend ...

amyotrophic lateral sclerosis

(Encyclopedia)amyotrophic lateral sclerosis (ALS) āˌmīətrōfˈik, sklĭrōˈsĭs [key] or motor neuron disease, sometimes called Lou Gehrig's disease, degenerative disease that affects motor neurons in the brai...

quinidine

(Encyclopedia)quinidine kwĭnˈĭdēnˌ [key], heart muscle relaxant used to maintain regular heart rhythm patterns. It is an alkaloid chemically similar to quinine and, like quinine, occurs naturally in some speci...

Chinchón, Luis Jerónimo Fernández de Cabrera Bobadilla Cerda y Mendoza, conde de

(Encyclopedia)Chinchón, Luis Jerónimo Fernández de Cabrera Bobadilla Cerda y Mendoza, conde de lo͞oēsˈ hārōˈnēmō fārnänˈdās dā käbrāˈrä bōbäᵺēˈyä sārˈdä ē mĕndōˈsä kōnˈdā dā c...

insect repellent

(Encyclopedia)insect repellent, substance applied to the skin in order to provide protection against biting insects, primarily mosquitoes, ticks, chiggers, fleas, and certain flies. The most effective such substanc...

brucellosis

(Encyclopedia)brucellosis bro͞oˌsəlōˈsĭs [key] or Bang's disease, infectious disease of farm animals that is sometimes transmitted to humans. In humans the disease is also known as undulant fever, Mediterrane...

Manson, Patrick

(Encyclopedia)Manson, Patrick, 1844–1922, English parasitologist. After receiving his medical degree (1866) from the university at Aberdeen, Scotland, Manson left for China where he was to spend 24 years, studyin...

narcolepsy

(Encyclopedia)narcolepsy, a sleep disorder characterized by excessive daytime sleepiness and recurring unwanted episodes of sleep (“sleep attacks”). People with narcolepsy may abruptly fall asleep at almost any...