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James, Saint (the “brother” of Jesus)

(Encyclopedia)James, Saint, in the Bible, the “brother” of Jesus. The Gospels make several references to the brothers of Jesus, and St. Paul speaks of “James the Lord's brother.” While Protestants generally...

Pavlov, Ivan Petrovich

(Encyclopedia)Pavlov, Ivan Petrovich ēvänˈ pētrôˈvĭch pävˈləf [key], 1849–1936, Russian physiologist and experimental psychologist. He was professor at the military medical academy and director of the p...

trichina

(Encyclopedia)trichina trĭkīˈnə [key], common name for species of roundworm of the phylum Nematoda. The species Trichinella spiralis is an important parasite, occurring in rats, pigs, and man, and is responsibl...

menstruation

(Encyclopedia)menstruation, periodic flow of blood and cells from the lining of the uterus in humans and most other primates, occurring about every 28 days in women. Menstruation commences at puberty (usually betwe...

diffusion

(Encyclopedia)diffusion, in chemistry, the spontaneous migration of substances from regions where their concentration is high to regions where their concentration is low. Diffusion is important in many life process...

DNA fingerprinting

(Encyclopedia)DNA fingerprinting or DNA profiling, any of several similar techniques for analyzing and comparing DNA from separate sources, used especially in law enforcement to identify suspects from hair, blood, ...

prostate cancer

(Encyclopedia)prostate cancer, cancer originating in the prostate gland. Prostate cancer is one of the most common malignancies in men in the United States, second only to skin cancer, and as a cause of cancer deat...

Lassa fever

(Encyclopedia)Lassa fever lăsˈə [key], an acute viral disease occurring mostly in W Africa, characterized by high fever, muscle aches, mouth ulcers, and bleeding in the skin in more severe cases. The disease was...

Kurosawa, Akira

(Encyclopedia)Kurosawa, Akira äkēˈrä ko͞orōˈsäwä [key], 1910–98, Japanese film director, scriptwriter, and producer, b. Tokyo. He is regarded as one of the world's greatest directors. In Rashomon (1950),...

kinship

(Encyclopedia)kinship, relationship by blood (consanguinity) or marriage (affinity) between persons; also, in anthropology and sociology, a system of rules, based on such relationships, governing descent, inheritan...