Category: A

A slightly movable joint. A joint which only has limited movement, e.g. one of the joints in the spine. Type of joint in which the bones are connected by cartilage allowing only slight motion, but in all directions. The joints between the spinal vertebrae are prime examples. A slightly moveable joint where the surfaces of…

A single, small dose of amphetamine given to a schizophrenic person to evaluate probable response to treatment with phenothiazine drugs.  

In sexual reproduction, the mixing or uniting of the germ cells from two different persons. The union of the germplasm of two individuals in sexual reproduction.  

A fallacy of ambiguity because of the way words are arranged in a sentence.  

In genetics, a mutant allele that has little or no effect on the expression of a trait.  

In psychology and sociology, acts, attitudes, or discriminatory judgments that are not moral the inability to judge right from wrong, good from bad.  

The sac containing the watery fluid that surrounds the developing fetus in the uterus amniotic fluid. Thin-walled bag that contains the fetus and amniotic fluid during pregnancy. The inner fetal membrane that encloses the developing fetus and produces amniotic fluid. The bag of thin tissue that encloses a developing embryo. Sometimes referred to as the…

The membrane that surrounds the embryo within the uterus that secretes amniotic fluid to form a bag of waters. The thin sac containing the amniotic fluid which covers an unborn baby in the uterus. Inner membrane sac around the developing fetus (the outer membrane sac being the chorion) ||(compare placenta). A thin, transparent, internal fetal…

The formation of ammonia by decaying organisms of the soil acting upon proteinaceous compounds.  

Division of the chromatin body of the prokaryotic cell. The multiplication of a cell by splitting of the nucleus. Division of the nucleus of a cell by a process, not involving ‘mitosis, in which the nucleus is constricted into two. Direct cell division; simple division of the nucleus and cell without the changes in the…