Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology 225line to support the lip walls.commissural line (ARTHRO: Chelicerata) 1. In arachnids, unionbetween two lips. 2. In Acari there are three or four, twosuperiors and one or two inferiors.commissural plane (MOLL: Bivalvia) The plane of the valvecommissure.commissural shelf (MOLL: Bivalvia) The shelflike part of theshell abutting the commissure peripherally.commissural vessels/lateral commissures (ANN) Pairedsegmental lateral blood vessels from the dorsal vessel toanteriorly join the ventral vessel and more posteriorly, thesub-neural vessel; when contractile, they are called lateralhearts or pseudohearts.commissure n. [L. commissura, joint] 1. Connection betweentwo bodies, structures, organs or nerve fibers; a junction,seam or closure. 2. (ARTHRO: Chelicerata) In Acari, the oralcommissures. 3. (MOLL: Bivalvia) The line of joining of thevalves of the shell. commissural a.common a. [L. communis, general] Of frequent or ordinary occurrence;occurring on two adjacent parts or appendages.common bud see confluent budding zonecommon name A colloquial or vernacular name.common oviduct (ARTHRO: Insecta) In female genitalia, theectodermal part of the oviduct, from fusion of paired oviductsto gonopore; oviductus communis; medium oviduct.common salivary duct (ARTHRO: Insecta) In Diptera, thecommon median part of the salivary duct opening into thesalivary pump.common vitelline duct (PLATY: Turbellaria) Connects thevitelline ducts to the ootype.communal a. [L. communis, common] Living as a colony.communication n. [L. communis, common] 1. Action on thepart of one organism that alters the probability pattern ofbehavior in another organism. 2. Sending of signals thatinfluence the behavior or development of others.community n.; pl. -ties [L. communis, common] A group of