title: The development of synapses in the pyramidal tract at the medullary level in human fetus.
abstract: The ultrastructure of synapses in the pyramidal tract in the medulla oblongata have been described in a human fetus of 220 mm C.-R. length (23 postovulatory weeks). The mature synaptic junctions and the protosynapses were found above and at the level of the pyramidal decussation.
authors.affiliation: Department of Anatomy, University Medical School, Poznań.
authors.forename: M
authors.initials: M
authors.lastname: Bruska
authors.forename: W
authors.initials: W
authors.lastname: Woźniak
mesh_terms: D005314:Embryonic and Fetal Development / Q000502:physiology; D006801:Humans; D008526:Medulla Oblongata / Q000196:embryology* / Q000648:ultrastructure; D011712:Pyramidal Tracts / Q000196:embryology* / Q000648:ultrastructure; D013569:Synapses / Q000648:ultrastructure*