Type | MGI:General | Description | homozygotes exhibit absence of sarcolemmal caveolae, and mutant skeletal muscle fibers display exclusion of the dystrophin-glycoprotein complex from cholesterol-sphingolipid raft microdomains/caveolae mutant skeletal muscle fibers display a disorganized, immature T-tubule system with dilated and longitudinally oriented T-tubules |