Striated muscle cells in the guinea-pig iris.
D000818:Animals; D006168:Guinea Pigs; D007498:Iris / Q000648:ultrastructure*; D008297:Male; D008854:Microscopy, Electron; D008928:Mitochondria / Q000648:ultrastructure; D009130:Muscle, Smooth / Q000648:ultrastructure*; D009210:Myofibrils / Q000648:ultrastructure; D009469:Neuromuscular Junction / Q000648:ultrastructure; D012519:Sarcoplasmic Reticulum / Q000648:ultrastructure