Enriched in several structures, including RIM; anterior arcade cell; coelomocyte; head mesodermal cell; and pharyngeal cell based on tiling array; RNA-seq; and single-cell RNA-seq studies. Is affected by several genes including daf-16; daf-12; and hsf-1 based on RNA-seq and microarray studies. Is affected by nine chemicals including mianserin; Alovudine; and Psoralens based on RNA-seq and microarray studies.