title: Involution of the caudal musculature during metamorphosis in the ascidian, Botryllus schlosseri.
mesh_terms: D000818:Animals; D007814:Larva / Q000648:ultrastructure; D008675:Metamorphosis, Biological; D008854:Microscopy, Electron; D009132:Muscles / Q000648:ultrastructure*; D009210:Myofibrils / Q000648:ultrastructure; D009940:Organoids / Q000648:ultrastructure; D010586:Phagocytes / Q000648:ultrastructure; D012508:Sarcolemma / Q000648:ultrastructure; D012519:Sarcoplasmic Reticulum / Q000648:ultrastructure; D012623:Seawater; D013623:Tail; D014561:Urochordata / Q000648:ultrastructure*