〇Anna Simankova¹, Norihisa Bizen¹, Nobuhiko Ohno^2,3, Manabu Abe⁴, Kenji Sakimura⁴, Hirohide Takebayashi¹ (1.Div Neurobio Anat, Grad Sch of Med Dent Sci, Niigata Univ, Niigata, Japan, 2.Div Histo and Cell Biol, Dep of Anat, Jichi Med Univ, Tochigi, Japan, 3.Div Ultrastruct Res, Nat Inst Physiol Sci, Aichi, Japan, 4.Dep Animal Model Dev, Brain Res Inst, Niigata Univ, Niigata, Japan)