Enriched in several structures, including ABalaapppa; ABalapaaaa; ABalapaapa; ABalappaap; and cephalic sheath cell based on single-cell RNA-seq studies. Is affected by several genes including cyc-1; swsn-1; and ash-2 based on microarray; tiling array; and RNA-seq studies. Is affected by fourteen chemicals including methylmercuric chloride; Psoralens; and allantoin based on microarray and RNA-seq studies.