outer labial morphology variant dauer labial sensillum variant dauer outer labial sensillum variant dauer outer labial sensillum abnormal C_elegans_phenotype_ontology Dauer stage animals exhibit variations in the quantity, structure or organization of the components of the outer labial ring compared to control. In C. elegans, this ring consists of four sensilla (OLQ) or the two additional lateral sensilla (OLL), which are part of the labial sensillum. WBPhenotype:0001562