title: Electron microscopy of synaptic structures in the optic tectum of developing chick embryos.
mesh_terms: D000818:Animals; D002454:Cell Differentiation; D002642:Chick Embryo; D003712:Dendrites / Q000648:ultrastructure; D008854:Microscopy, Electron; D013477:Superior Colliculi / Q000166:cytology*; D013569:Synapses / Q000648:ultrastructure*; D013570:Synaptic Membranes / Q000648:ultrastructure; D013572:Synaptic Vesicles / Q000648:ultrastructure; D013574:Synaptosomes / Q000648:ultrastructure