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fertility drug
(Encyclopedia)fertility drug, any of a variety of substances used to increase the possibility of conception and successful pregnancy. Different methods are used to correct or circumvent the many different functiona...Baer, Karl Ernst von
(Encyclopedia)Baer, Karl Ernst von, 1792–1876, Estonian biologist. He was a professor at Würzburg and Königsberg and from 1834 at St. Petersburg. Considered a founder of modern embryology, he discovered the not...chorionic villus sampling
(Encyclopedia)chorionic villus sampling (CVS) or chorionic villus biopsy (CVB) kōrˌē-ŏnˈĭk, kôrˌ– [key], diagnostic procedure in which a sample of chorionic villi from the developing placenta is removed f...isogamy
(Encyclopedia)isogamy īsŏgˈəmē [key], in biology, a condition in which the sexual cells, or gametes, are of the same form and size and are usually indistinguishable from each other. Many algae and some fungi h...animal-rights movement
(Encyclopedia)animal-rights movement, diverse individuals and groups concerned with protecting animals from perceived abuse or misuse. Supporters are specifically concerned with the use of animals for medical and c...sex
(Encyclopedia)sex, term used to refer both to the two groups distinguished as males and females, and to the anatomical and physiological characteristics associated with maleness and femaleness. Sex relates to the t...pregnancy
(Encyclopedia)pregnancy, period of time between fertilization of the ovum (conception) and birth, during which mammals carry their developing young in the uterus (see embryo). The average duration of pregnancy in h...Morgan, Conwy Lloyd
(Encyclopedia)Morgan, Conwy Lloyd, 1852–1936, English psychologist. Professor of zoology at University College, Bristol (1887–1909), he served as first vice chancellor of the Univ. of Bristol (1909–10) and wa...Hondecoeter, Melchior d'
(Encyclopedia)Hondecoeter, Melchior d' mĕlˈkhēôr də hōnˈdəko͞otər [key], 1636–95, Dutch animal painter. His grandfather, Gillis d'Hondecoeter (d. 1638) and his father, Gysbert d'Hondecoeter (1604–1653...Campbell, Keith
(Encyclopedia)Campbell, Keith, 1954–2012, British cell biologist, b. Birmingham, England, Ph.D. Univ. of Sussex, 1986. In 1991 he joined the Edinburgh Research Station of Animal Physiology and Genetics Research (...Browse by Subject
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