chambered tube

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• Charles A. Hufnagel — Charles A. Hufnagel, M.D. (August 15, 1916 May 31, 1989) was an American surgeon who in the early 1950s invented the first artificial heart valve. Dr. Hufnagel was born in Louisville, Kentucky and was reared in Richmond, Indiana. His father was… …   Wikipedia

• photoreception — photoreceptive, adj. /foh toh ri sep sheuhn/, n. the physiological perception of light. [1905 10; PHOTO + RECEPTION] * * * Biological responses to stimulation by light, most often referring to the mechanism of vision. In one celled organisms such …   Universalium

• small arm — small armed, adj. Usually, small arms. a firearm designed to be held in one or both hands while being fired: in the U.S. the term is applied to weapons of a caliber of up to one in. (2.5 cm). [1680 90] * * * ▪ military technology Introduction… …   Universalium

• Winchester rifle — Infobox Weapon name=Winchester Model 1873 rifle caption= The Gun that Won the West origin=United States type=Rifle is ranged=yes service= used by= USA wars= designer= design date=1873 manufacturer=Winchester Repeating Arms Company unit cost=… …   Wikipedia

• cephalopod — /sef euh leuh pod /, n. 1. any mollusk of the class Cephalopoda, having tentacles attached to the head, including the cuttlefish, squid, and octopus. adj. 2. Also, cephalopodic, cephalopodous /sef euh lop euh deuhs/. belonging or pertaining to… …   Universalium

• circulation — circulable /serr kyeuh leuh beuhl/, adj. /serr kyeuh lay sheuhn/, n. 1. an act or instance of circulating, moving in a circle or circuit, or flowing. 2. the continuous movement of blood through the heart and blood vessels, which is maintained… …   Universalium

• Claridge Hi-Tec/Goncz Pistol — Infobox Weapon name=Claridge Hi Tec caption=The Claridge Hi Tec S9 origin=flagcountry|United States type=Semi automatic pistol is ranged=yes is bladed= is explosive= is artillery= is vehicle= service= used by= wars= designer=… …   Wikipedia

• Molot Bekas-M — Bekas M Bekas 12M with 26 barrel Type Shotgun Place of origin …   Wikipedia

• Electric guitar — Fender Stratocaster String instrument Classification String instrument (plucked, either by fingerpicking, or with a pick.) …   Wikipedia

• Heckler & Koch MP5 — Type Submachine gun Place of origin …   Wikipedia

• skeleton — skeletonless, adj. skeletonlike, adj. /skel i tn/, n. 1. Anat., Zool. the bones of a human or an animal considered as a whole, together forming the framework of the body. 2. any of various structures forming a rigid framework in an invertebrate.… …   Universalium