Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

198Maggenti and Gardnergranules that may disperse in the branches or concentratein the center and effect color changes in various invertebrates.chromatotropism n. [Gr. chroma, color; trope, turn] A taxisin response to stimulation by a particular color.chromidium n.; pl. -midia [Gr. dim. chroma, color] Any of thebasophilic fibrils in the cytoplasm that are composed ofRNA-containing parts and RNA-free parts.chromioles n.pl. [Gr. dim. chroma, color] The minute granulesof which a chromomere is composed.chromoblast n. [Gr. chroma, color; blastos, bud] An embryoniccell that develops into a pigment cell.chromocenter n. [Gr. chroma, color; kentron, center] A granuleof heterochromatin, whose numbers vary in the interphasenuclei.chromocytes n. [Gr. chroma, color; kytos, container] 1. Pigmentedcells. 2. (PORIF) Pigmented amoebocytes containedin the mesogloea.chromogen n. [Gr. chroma, color; genos, birth] A colorlesssubstance that is the precursor of a pigment.chromogenesis n. [Gr. chroma, color; genesis, beginning]Color production.chromolipids n.pl. [Gr. chroma, color; lipos, fat] The carotenoidsand related pigments.chromomere n. [Gr. chroma, color; meros, part] One of thebead-like concentrations of chromatin found along thelength of a chromosome.chromonema n.; pl. -nemata [Gr. chroma, color; nema,thread] The smallest light microscopic strand in chromosomesand chromatids.chromophile n. [Gr. chroma, color; philos, loving] 1. Chromaffin.2. (ARTHRO: Insecta) A blood cell, intermediate ortransitional between prohemocytes, plasmatocytes andpossibly other types of blood cells.chromophilic, chromaphilic a. [Gr. chroma, color; philos,loving] Staining readily, as certain cells. see chromophobecells.