title: [Electron microscopic study on synapses of visual cells. I. The ultrastracture on synapses of the visual cells in chick embryo].
mesh_terms: D000818:Animals; D002642:Chick Embryo; D008854:Microscopy, Electron; D012160:Retina / Q000166:cytology*; D013569:Synapses / Q000166:cytology*