valve
Lateral part of divided carapace commonly joined to opposite part by hingement along dorsal mid-line (e.g., Ostracoda, Conchostraca, Leptostraca) [Moore and McCormick, 1969].
Lateral part of divided carapace, commonly joined to opposite part by hingement along dorsal midline; also any one of opercular elements in sessile Cirripedia [McLaughlin, 1980].
(Order Cladocera):
Term applied to each half of carapace, one half (valve) covering each side of trunk [Stachowitsch, 1992].
(Order Diplostraca):
One of two shell elements comprising carapace. Covering left and right sides of body and joined together (or continuous) dorsally along hinge line. Consists of several layers and is variously ornamented on exterior. (See also carapace) [Stachowitsch, 1992].
(Order Isopoda):
Term applied to uropods covering branchial chamber in certain isopods [Stachowitsch, 1992].
(Subclass Cirripedia):
Opercular valve [Stachowitsch, 1992].
(Class Ostracoda):
Aortic valve, hepatic valve [Stachowitsch, 1992].
(Class Ostracoda):
One of two shell-like elements covering left and right sides of body (therefore left valve, right valve). Valves joined to each other dorsally by hinge and may bear complex system of ridges and grooves around margin that inter-fit when carapace is closed. Consists of inner and outer lamellae. (equal, subequal, unequal; amplete, postplete, preplete; lateral outline: circular, elliptical, elongate, ovate, quadrate, reniform; smooth, ornamented: e.g., alate, bilobate, bisulcate, bullate, caperate, carinate, celate, clavate, costate, foveolate, granuloreticulate, granulose, lobate, papillate, pitted, punctate, quadrilobate, reticulate, setose, spinose, striate, sulcate, trilobate, trisulcate, tuberculate, unilobate, unisulcate, verrucose) (see also valve sculpture) [Stachowitsch, 1992].
(Class Ostracoda):
Right or left half of bivalved ostracode carapace (sometimes erroneously referred to as "shell") [Cohen, Peterson, and Maddocks, in press].

Crustacea glossary. . 2011.

Look at other dictionaries:

  • Valve — Valve, n. [L. valva the leaf, fold, or valve of a door: cf. F. valve.] [1913 Webster] 1. A door; especially, one of a pair of folding doors, or one of the leaves of such a door. [1913 Webster] Swift through the valves the visionary fair Repassed …   The Collaborative International Dictionary of English

  • ValVe — Unternehmensform Private Corporation Gründung 1996 Untern …   Deutsch Wikipedia

  • valve — [ valv ] n. f. • 1752; « battant de porte » 1560; sens du lat. valva I ♦ 1 ♦ Chacune des deux parties de la coquille (dite bivalve) de certains mollusques et crustacés. « La valve rainurée d une coquille de Saint Jacques » (Proust). ♢ (1771) Bot …   Encyclopédie Universelle

  • valvé — valve [ valv ] n. f. • 1752; « battant de porte » 1560; sens du lat. valva I ♦ 1 ♦ Chacune des deux parties de la coquille (dite bivalve) de certains mollusques et crustacés. « La valve rainurée d une coquille de Saint Jacques » (Proust). ♢… …   Encyclopédie Universelle

  • Valve — Corporation Тип час …   Википедия

  • VALVe — Corporation Valve Corporation Dates clés 1996 (création) Personnages clés …   Wikipédia en Français

  • valve — [valv] n. [ME, a door leaf < L valva, leaf of a folding door, akin to volvere, to roll: see WALK; VALVE senses 3, 4, 8 < ModL valva < L] 1. Archaic either of the halves of a double door or any of the leaves of a folding door 2. a gate… …   English World dictionary

  • Valve — Software es una empresa estadounidense desarrolladora de software en el campo de los videojuegos. Se hizo mundialmente famosa por su primer juego, Half Life y por una modificación de este juego, Counter Strike. Las oficinas centrales de Valve… …   Enciclopedia Universal

  • valve — [vælv] n [Date: 1400 1500; : Latin; Origin: valva part of a door ] 1.) a part of a tube or pipe that opens and shuts like a door to control the flow of liquid, gas, air etc passing through it ▪ heart valves ↑mouthpiece, ↑valve 2.) the part on a… …   Dictionary of contemporary English

  • Valve — [vælv] der; [s], s <aus gleichbed. engl. valve, dies aus lat. valvae (Plur.) »die Türflügel, (Flügel)tür«> Sperrwechsel für Linien der gleichen Figur (Thema im Kunstschach); vgl. auch ↑Bivalve …   Das große Fremdwörterbuch

  • valve — (n.) late 14c., one of the halves of a folding door, from L. valva section of a folding or revolving door, lit. that which turns, related to volvere to roll (see VULVA (Cf. vulva)). Sense extended 1610s to membranous fold regulating flow of… …   Etymology dictionary

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