The muscle spindle controversy.
D000818:Animals; D001369:Axons / Q000502:physiology; D002415:Cats; D004553:Electric Conductivity; D000882:Haplorhini; D049673:History, 20th Century; D006801:Humans; D008854:Microscopy, Electron; D009119:Muscle Contraction; D009470:Muscle Spindles / Q000033:anatomy & histology*; D009445:Neuroanatomy / Q000266:history