Enriched in several structures, including ABaraapapaa; ABaraapppaa; ABplppppap; male distal tip cell; and somatic gonad precursor based on tiling array; RNA-seq; and single-cell RNA-seq studies. Is affected by several genes including daf-16; skn-1; and eat-2 based on microarray and RNA-seq studies. Is affected by eleven chemicals including stavudine; Psoralens; and allantoin based on RNA-seq and microarray studies.