title: Ultrastructure of the giant smooth muscle fiber of the ctenophore Beroe ovata.
mesh_terms: D000818:Animals; D003599:Cytoskeleton / Q000648:ultrastructure; D007448:Invertebrates / Q000648:ultrastructure*; D008854:Microscopy, Electron; D009119:Muscle Contraction; D009130:Muscle, Smooth / Q000502:physiology / Q000648:ultrastructure*; D012508:Sarcolemma / Q000648:ultrastructure; D012519:Sarcoplasmic Reticulum / Q000648:ultrastructure