Pattern recognition receptor — Pattern recognition receptors (PRRs) are a primitive part of the immune system. They are proteins expressed by cells of the innate immune system to identify pathogen associated molecular patterns (PAMPs), which are associated with microbial… … Wikipedia
evolution — [ev΄ə lo͞o′shən; ] occas. [ ē΄vəlo͞o′shən] n. [L evolutio, an unrolling or opening < evolutus, pp. of evolvere: see EVOLVE] 1. an unfolding, opening out, or working out; process of development, as from a simple to a complex form, or of gradual … English World dictionary
evolution — ► NOUN 1) the process by which different kinds of living organism are believed to have developed, especially by natural selection. 2) gradual development. 3) Chemistry the giving off of a gaseous product or of heat. 4) a pattern of movements or… … English terms dictionary
evolution — evolutional, adj. evolutionally, adv. /ev euh looh sheuhn/ or, esp. Brit., /ee veuh /, n. 1. any process of formation or growth; development: the evolution of a language; the evolution of the airplane. 2. a product of such development; something… … Universalium
Evolution — This article is about evolution in biology. For other uses, see Evolution (disambiguation). For a generally accessible and less technical introduction to the topic, see Introduction to evolution. Part of a series on … Wikipedia
Evolution of mammals — Restoration of Thrinaxodon, a member of the cynodont group, which includes the ancestors of mammals Further information: Evolutionary history of life The evolution of mammals within the synapsid lineage (sometimes called mammal like reptiles )… … Wikipedia
Pattern (sewing) — In sewing and fashion design, a pattern is an original garment from which other garments of a similar style are copied, or the paper or cardboard templates from which the parts of a garment are traced onto fabric before cutting out and assembling … Wikipedia
Evolution of mammalian auditory ossicles — The evolution of mammalian auditory ossicles is one of the most well documented[1] and important evolutionary events, demonstrating both numerous transitional forms as well as an excellent example of exaptation, the re purposing of existing… … Wikipedia
Evolution of monogamy — Close RelationshipsThe evolution of monogamy refers to the natural history of mating systems in which species reproduce by forming pairs to raise offspring. Animals The evolution of mating systems in animals has received an enormous amount of… … Wikipedia
Pattern formation — The science of pattern formation deals with the visible, (statistically) orderly outcomes of self organisation and the common principles behind similar patterns. In developmental biology, pattern formation refers to the generation of complex… … Wikipedia
