part of part of in taxon results in organization of cellular component organization sarcomere myofibril assembly actomyosin structure organization sarcomere organization GO:0045214 GO:0006938 The myofibril assembly process that results in the organization of muscle actomyosin into sarcomeres. The sarcomere is the repeating unit of a myofibril in a muscle cell, composed of an array of overlapping thick and thin filaments between two adjacent Z discs. sarcomere alignment sarcomere organisation Eumetazoa