phenotype affects entity actin filament morphology of actin filament phenotype actin cytoskeleton filament morphology phenotype C_elegans_phenotype_ontology Animals exhibit variations in the form, structure, composition or arrangement of actin, an abundant cytoskeletal protein in most cells, often linked to the plasma membrane and concentrated at cell junctions compared to control (Wormatlas). actin cytoskeleton filament morphology abnormal WBPhenotype:0001354 actin cytoskeleton filament morphology variant actin organization biogenesis phenotype