Enriched in several structures, including arcade cell; head mesodermal cell; pharyngeal-intestinal valve cell; rectal gland cell; and sensory neurons based on microarray; tiling array; RNA-seq; and single-cell RNA-seq studies. Is affected by several genes including daf-2; skn-1; and dpy-10 based on RNA-seq and microarray studies. Is affected by fourteen chemicals including rotenone; Alovudine; and Sodium Chloride based on RNA-seq and microarray studies.