The mutual disposition of cholinoreceptors of locomotor muscles, and the changes in their disposition in the course of evolution.
D000109:Acetylcholine / Q000502:physiology; D005075:Biological Evolution; D002794:Choline; D009469:Neuromuscular Junction; D011984:Sensory Receptor Cells
D002794:Choline; D000109:Acetylcholine