title: [Ultrastructural changes in rabbit sensomotor cortex synapses following stimulation of the reticular formation].
abstract: Ultrastructural changes in the synapses of sensorimotor cortex caused by short and protracted stimulations of mid-brain reticular formation with single electric pulses were studied in rabbits. The observed submicroscopic shift in synaptic apparatus is regarded as a process of enhancing the activity of the sensorimotor synaptic apparatus with involvement of new interneuronal connections. Structural-functional changes in the synaptic apparatus occured at all levels of the sensorimotor cortex, with the predominance of this process at the upper level (layers I-IV); this is probably due to the greater representation of non-specific afferent endings in the upper cortical layers.
mesh_terms: D000818:Animals; D001369:Axons / Q000648:ultrastructure; D001931:Brain Mapping; D003712:Dendrites / Q000648:ultrastructure; D004558:Electric Stimulation; D008854:Microscopy, Electron; D009044:Motor Cortex / Q000648:ultrastructure*; D011817:Rabbits; D012154:Reticular Formation / Q000502:physiology*; D013003:Somatosensory Cortex / Q000648:ultrastructure*; D013569:Synapses / Q000648:ultrastructure; D013572:Synaptic Vesicles / Q000648:ultrastructure
vernacular_title: Ul'trastrukturnye izmeneniia sinapsov sensomotornoĭ kory krolika pri razdrazhenii retikuliarnoĭ formatsii.