| arena | Origin: L. Arena, harena, sand, a sandy place. 1. The area in the central part of an amphitheater, in which the gladiators fought and other shows were exhibited; so called because it was covered with sand. 2. Any place of public contest or exertion; any sphere of action; as, the arenaof debate; the arena of life. 3. <medicine> "Sand" or "gravel" in the kidneys. Source: Websters Dictionary (01 Mar 1998) |
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| arenaceous | Sandy; of sand-like consistency. Origin: L. Arena, sand (05 Mar 2000) |
| arenation | <medicine> A sand bath; application of hot sand to the body. Origin: L. Arenatio, fr. Arena sand. Source: Websters Dictionary (01 Mar 1998) |
| Arenaviridae | <virology> Family of ssRNA viruses including Lassa virus, Lymphocytic choriomeningitis virus and the Tacaribe group of viruses, not all require arthropods for transmission, despite their inclusion in the arbovirus group. (18 Nov 1997) |
| arenaviridae infections | Virus diseases caused by the arenaviridae. (12 Dec 1998) |
| arenavirus | The only genus in the family arenaviridae. It contains two groups lcm-lassa complex viruses and tacaribe complex viruses, which are distinguished by antigenic relationships and geographic distribution. (12 Dec 1998) |