a spermatozoon or an ovum; a cell responsible for transmitting DNA to the next generation
lacking cells
(biology) the basic structural and functional unit of all organisms; they may exist as independent units of life (as in monads) or may form colonies or tissues as in higher plants and animals
anything that provides inspiration for later work
a device that delivers an electric current as the result of a chemical reaction
a minute life form (especially a disease-causing bacterium); the term is not in technical use
a small apparently simple structure (as a fertilized egg) from which new tissue can develop into a complete organism
a small unit serving as part of or as the nucleus of a larger political movement
a room where a prisoner is kept
