title: What is area 3a?
mesh_terms: D000344:Afferent Pathways / Q000502:physiology; D000818:Animals; D001931:Brain Mapping; D005071:Evoked Potentials; D006801:Humans; D007699:Kinesthesis / Q000502:physiology; D008465:Mechanoreceptors / Q000502:physiology; D009044:Motor Cortex / Q000502:physiology*; D009046:Motor Neurons / Q000502:physiology; D009068:Movement; D009132:Muscles / Q000294:innervation*; D009474:Neurons / Q000502:physiology; D010525:Peripheral Nerves / Q000502:physiology; D013003:Somatosensory Cortex / Q000502:physiology*; D013788:Thalamus / Q000502:physiology