Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

886Maggenti and Gardnersponse favorable to both emitter and receiver. see allelochemic.synonyms n.pl. [Gr. syn, together; onyma, name] In nomenclature,two or more names for the same taxon. see senior,junior, objective, subjective synonym. synonymousa.synonymy n. [Gr. syn, together; onyma, name] A chronologicallist of scientific names applied to a given taxon, includingdates of publication and authors of the names.synopsis n.; pl. -es [Gr. syn, together; opsis, view] In taxonomy,a general summary of current knowledge of a group.synoptic a. [Gr. syn, together; opsis, view] Pertaining tostructures that upon comparison, are virtually identical.synoptical key The arrangement of the more essential charactersin order to identify specific taxa by selecting onlythose that apply.synscleritous a. [Gr. syn, together; skleros, hard] (ARTHRO)The joining of a tergite and a sternite to form a completering. see discleritous.syntagma see tagmasyntelic a. [Gr. syn, together; telos, fulfillment] In mitosis,centromeres of the two chromatids of each chromosome ifthey are oriented to the same spindle pole at the first meioticdivision.synthesis n.; pl. -ses [Gr. syn, together; titheni, to place] Theformation of a more complex substance from simpler ones.synthetic a. [Gr. syn, together; titheni, to place] Combiningthe structural characters of two or more dissimilar groupsor forms into one group or form.synthetic lethals Lethal chromosomes derived from normallyviable chromosomes by crossing over.synthetic theory The evolutionary theory, with mutation andselection as the basic elements.synthorax n. [Gr. syn, together; thorax, chest] (ARTHRO: Insecta)The meso- and metathorax fused as a single unit ofwing-bearing insects; pterothorax.