Atria
Atrium A"tri*um, n.; pl. {Atria}. [L., the fore court of a Roman house.] 1. (Arch.) (a) A square hall lighted from above, into which rooms open at one or more levels. (b) An open court with a porch or gallery around three or more sides; especially at the entrance of a basilica or other church. The name was extended in the Middle Ages to the open churchyard or cemetery. [1913 Webster]

2. (Anat.) The main part of either auricle of the heart as distinct from the auricular appendix. Also, the whole articular portion of the heart. [1913 Webster]

3. (Zo["o]l.) A cavity in ascidians into which the intestine and generative ducts open, and which also receives the water from the gills. See {Ascidioidea}. [1913 Webster]

4. (Anat.) A cavity, entrance, or passage; as, the atrium, or atrial cavity, in the body wall of the amphioxus; an atrium of the infundibula of the lungs, etc. [Webster 1913 Suppl.] ||


The Collaborative International Dictionary of English. 2000.

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  • Atria — may refer to: *Atrium (heart) (plural: atria), an anatomical structure of the heart *Atrium (architecture) (plural: atria), a large open space within a building *Atria (star) or Alpha Trianguli Australis, a star in the constellation Triangulum… …   Wikipedia

  • Atria — Saltar a navegación, búsqueda Atria puede referirse a: Atria, nombre propio de la estrella Alfa Trianguli Australis (α TrA). ATRIA, siglas de la Agrupación para Tratamientos Integrados en Agricultura. Atria, empresa que cotiza en la bolsa de… …   Wikipedia Español

  • Atria — (lat.), Mehrzahl von Atrium, s.d …   Pierer's Universal-Lexikon

  • Atria — Atria,   antiker Name der Stadt Adria …   Universal-Lexikon

  • atria — classical plural of ATRIUM (Cf. atrium) …   Etymology dictionary

  • Atria — Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. Atria peut désigner : Atria, nom de ses origines Étrusques, ou maintenant Adria, une commune italienne de la province de Rovigo en Vénétie. Le nom… …   Wikipédia en Français

  • Atria — Datenbanklinks zu Atria (Alpha Trianguli Australis) Stern Atria (α Trianguli Australis) …   Deutsch Wikipedia

  • Atria — The plural of atrium. The atria are the two smaller chambers of the heart. Each atrium consists of an open space with recessed walls. The right atrium receives deoxygenated blood from the body through the vena cava and pumps it into the right… …   Medical dictionary

  • Atria — Sp Ãdrija Ap Adria itališkai Sp Ãtrija Ap Atria lotyniškai L Š Italija …   Pasaulio vietovardžiai. Internetinė duomenų bazė

  • atria — a·tri·a (āʹtrē ə) n. A plural of atrium. * * * …   Universalium

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