Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

910Maggenti and Gardnersomewhat elaborate lobe on the rim of the pinna of a laticorntrumpet of some culicid pupae.transad n. [L. trans-, across; Gr. ad, makes collective nouns]Closely related organisms separated by an environmentalbarrier.transcoxa n. [L. trans-, across; coxa, hip] (ARTHRO: Chelicerata)A term used instead of coxa in some groups.transcurrent a. [L. trans-, across; currens, running] 1. Extendingtransversely. 2. (MOLL: Gastropoda) Passing continuouslyaround whorls crossing growth lines.transect n. [L. trans-, across; secare, to cut] A cross sectionor profile of an area for study, as with organisms and/orvegetation.transection n. [L. trans-, across; secare, to cut] Cut across ortransversely; a transverse section.transformation zone In males, that part of the testis folliclein which the spermatids develop into spermatozoa; knownas spermiogenesis. see maturation zone.transient a. [L. trans-, across; ire, to go] A passing phenomenon;of short duration.transient polymorphism Polymorphism existing in a breedingpopulation during the period when an allele is being replacedby a superior one. see balanced polymorphism.transitional cell see chromophiletranslocation n. [L. trans-, across; locus, place] The shift of asegment of a chromosome to another chromosome, notchanging the total number of genes present.translucent a. [L. trans-, across; lucere, to shine] Allowing thepassage of light, but not necessarily transparent; semitransparent.transmission n. [L. trans-, across; mittere, to send] 1. Horizontal:the transfer of an infectious agent from one organismto another. 2. Vertical: transmission from one generationto another.transposed hinge condition (MOLL: Bivalvia) A condition ofteeth usually found in the hinge of one valve being foundon the opposite one.