nuclear positioning variant VNC nuclear positioning variant Variations in spacing or location were observed between adjacent ventral cord nuclei or between ventral cord nuclei and another nucleus used as a reference point. In C. elegans, these nuclei are distributed equally and predictably, such that they can be unambiguously distinguished by their position. WBPhenotype:0000512 VNC nuclear migration variant C_elegans_phenotype_ontology VNC nuclear positioning abnormal