skeletal muscle fiber morphology trait skeletal muscle size trait skeletal muscle cellular composition trait skeletal muscle fiber quantity skeletal muscle fiber number VT:1000743 skeletal muscle cell number The proportion or number of skeletal muscle fibers, the large multinucleated cells that make up the striated muscles connected at either or both extremities with the bony framework of the body. 2009-05-07T03:19:34Z caripark ATOL:0001691 Trait.ontology