Responses of primary muscle spindle endings at constant or changing muscle length to variations in fusimotor activation.
D000818:Animals; D002415:Cats; D004558:Electric Stimulation; D009470:Muscle Spindles / Q000502:physiology*; D009411:Nerve Endings / Q000502:physiology*; D009431:Neural Conduction; D009469:Neuromuscular Junction / Q000502:physiology*