title: Junctional mechanisms at group Ia synapses.
mesh_terms: D000200:Action Potentials; D000344:Afferent Pathways / Q000502:physiology; D000818:Animals; D002415:Cats; D004558:Electric Stimulation; D005727:Ganglia, Spinal / Q000502:physiology*; D005971:Glutamates / Q000502:physiology; D008564:Membrane Potentials; D009046:Motor Neurons / Q000502:physiology; D009132:Muscles / Q000294:innervation*; D009474:Neurons / Q000648:ultrastructure; D018377:Neurotransmitter Agents / Q000502:physiology; D011984:Sensory Receptor Cells / Q000502:physiology; D013116:Spinal Cord / Q000502:physiology / Q000648:ultrastructure; D013373:Substance P / Q000502:physiology; D013569:Synapses / Q000502:physiology* / Q000648:ultrastructure; D013570:Synaptic Membranes / Q000502:physiology
chemical_list: D005971:Glutamates; D018377:Neurotransmitter Agents; D013373:Substance P