Enriched in DA neuron; VA neuron; intestine; male-specific anatomical entity; and pharynx based on microarray; Chronogram; and RNA-seq studies. Is affected by several genes including dpy-10; eat-2; and sir-2.1 based on microarray and RNA-seq studies. Is affected by eight chemicals including Neurotoxins; silicon dioxide nanoparticle; and Oligosaccharides based on microarray and RNA-seq studies.