Sensory nerve deformation in the stimulated frog muscle spindle.
D000818:Animals; D001001:Anura; D001485:Basement Membrane / Q000648:ultrastructure; D009119:Muscle Contraction; D009126:Muscle Relaxation; D009470:Muscle Spindles / Q000502:physiology / Q000648:ultrastructure*; D011894:Rana pipiens