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animal
(Encyclopedia)animal, any member of the animal kingdom (kingdom Animalia), as distinguished from organisms of the plant kingdom (kingdom Plantae) and the kingdoms Fungi, Protista, and Monera in the five-kingdom sys...embryo
(Encyclopedia) CE5 Development of the human embryo embryo ĕmˈbrēō [key], name for the developing young of an animal or plant. In its widest definition, the embryo is the young from the moment of fertilizatio...Wilmut, Sir Ian
(Encyclopedia)Wilmut, Sir Ian, 1944– British embryologist, b. Warwickshire, England, Ph.D. Cambridge, 1971. While doing postdoctoral research at Cambridge, he was part of the team that produced Frostie, the first...conjoined twins
(Encyclopedia)conjoined twins, congenitally united organisms that are complete or nearly complete individuals, historically known as Siamese twins. They develop from a single fertilized ovum that has divided imperf...fallopian tube
(Encyclopedia)fallopian tube fəlōˈpēən [key], either of a pair of tubes extending from the uterus to the paired ovaries in the human female, also called oviducts, technically known as the uterine tube. At one ...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...Gegenbaur, Karl
(Encyclopedia)Gegenbaur, Karl kärl gāˈgənbour [key], 1826–1903, German anatomist. A professor at the universities of Jena (1855–73) and Heidelberg (1873–1901), he was influential as a teacher. He emphasiz...moss animal
(Encyclopedia)moss animal, common name applied to members of the phylum Ectoprocta. ...animal husbandry
(Encyclopedia)animal husbandry, aspect of agriculture concerned with the care and breeding of domestic animals such as cattle, goats, sheep, hogs, and horses. Domestication of wild animal species was a crucial achi...animal jelly
(Encyclopedia)animal jelly: see gelatin.Browse by Subject
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