ground membrane
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Membrane potential — Differences in concentration of ions on opposite sides of a cellular membrane lead to a voltage called the membrane potential. Many ions have a concentration gradient across the membrane, including potassium (K+), which is at a high inside and a… … Wikipedia
Ground hog — Hog Hog (h[o^]g), n. [Prob. akin to E. hack to cut, and meaning orig., a castrated boar; cf. also W. hwch swine, sow, Armor. houc h, hoc h. Cf. {Haggis}, {Hogget}, and {Hoggerel}.] 1. (Zo[ o]l.) A quadruped of the genus {Sus}, and allied genera… … The Collaborative International Dictionary of English
ground shark — /ˈgraʊnd ʃak/ (say grownd shahk) noun any of a large cosmopolitan family of sharks with no spines on the dorsal fin, with the last gill opening above the pectoral fin, and with a nictitating eye membrane, as the hammerhead and the requiem shark …
Basement membrane — Basement Base ment (b[=a]sment), n. [F. soubassement. Of uncertain origin. Cf. {Base}, a., {Bastion}.] (Arch.) The outer wall of the ground story of a building, or of a part of that story, when treated as a distinct substructure. (See {Base}, n … The Collaborative International Dictionary of English
inophragma — ino·phrag·ma (in″o fragґmə) [ino + Gr. phragmos a fencing in] ground membrane; a name given to the Z band and M band (q.q.v.) because they continue uninterruptedly as transverse membranes through all the adjoining fibrils of a muscle… … Medical dictionary
sound reception — Introduction response of an organism s aural mechanism, the ear, to a specific form of energy change, or sound waves. Sound waves can be transmitted through gases, liquids, or solids, but the hearing function of each species is particularly … Universalium
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
photochemical reaction — Chemical reaction initiated by absorption of energy in the form of visible (light), ultraviolet, or infrared radiation. Primary photochemical processes occur as an immediate result, and secondary processes may follow. The most important example… … Universalium
environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations … Universalium
Pterosaur — Pterosaurs Temporal range: Late Triassic–Late Cretaceous, 220–65 Ma … Wikipedia
