cell reproduction
61asexual reproduction — n reproduction (as cell division, spore formation, fission, or budding) without union of individuals or gametes * * * reproduction without the fusion of gametes, as by fission or budding …
62Eight-cell stage — The eight cell stage is a period in embryonic development when the conceptus has undergone three cleavages from a single cell, resulting in eight cells. In some mammals, it is at this stage of development that the individual cells begin to adhere …
63somatic cell — noun Any normal cell of an organism that is not involved in reproduction; a cell that is not on the germline …
64sexual reproduction — UK / US noun [uncountable] biology reproduction in which male and female cells join together and combine their genetic information to form a new cell, called a zygote …
65selenium cell — Elect. a photovoltaic cell consisting of a thin strip of selenium placed between two metal electrodes. [1875 80] * * * ▪ device photoelectric device used to generate or control an electric current. Selenium photocells are commonly used in… …
66sexual reproduction — The process whereby two gametes fuse to form one fertilized cell (zygote) …
67somatic cell — Cells not involved in sexual reproduction, i.e. not germ cells …
68Fission (biology) — Binary fission in a prokaryote (e.g., a bacterium) In biology, fission is the subdivision of a cell (or body, population, or species) into two or more parts and the regeneration of those parts into separate cells (bodies, populations, or species) …
69Mazia, Daniel — born Dec. 18, 1912, Scranton, Pa., U.S. died June 9, 1996, Monterey, Calif. U.S. cell biologist. He received his Ph.D. from the University of Pennsylvania. His research focused on various aspects of cell reproduction, including mitosis and… …
70History of biology — For the video game, see History of Biology (video game). The frontispiece to Erasmus Darwin s evolution themed poem The Temple of Nature shows a goddess pulling back the veil from nature (in the person of Artemis). Allegory and metaphor have… …
