title: The influence of different descending systems on the tonic stretch reflex in the cat.
mesh_terms: D000818:Animals; D001933:Brain Stem / Q000502:physiology; D002415:Cats; D002541:Cerebral Decortication; D004558:Electric Stimulation; D004576:Electromyography; D008526:Medulla Oblongata / Q000502:physiology; D009119:Muscle Contraction; D009132:Muscles / Q000187:drug effects / Q000502:physiology*; D011343:Procaine / Q000494:pharmacology; D011712:Pyramidal Tracts / Q000502:physiology; D012012:Red Nucleus / Q000502:physiology; D012023:Reflex, Monosynaptic; D012154:Reticular Formation / Q000502:physiology; D014726:Vestibular Nuclei / Q000502:physiology*
chemical_list: D011343:Procaine