Postsynaptic specialization of smooth muscle at close neuromuscular junctions in the guinea pig sphincter pupillae.
D000818:Animals; D001369:Axons; D001485:Basement Membrane; D002462:Cell Membrane; D006168:Guinea Pigs; D007498:Iris / Q000166:cytology; D008854:Microscopy, Electron; D009130:Muscle, Smooth / Q000166:cytology*; D009469:Neuromuscular Junction / Q000166:cytology*; D012583:Schwann Cells / Q000166:cytology; D013569:Synapses; D013572:Synaptic Vesicles