title: Ultrastructure of E-PTA stained synaptic ribbons in the chick retina.
mesh_terms: D000818:Animals; D002642:Chick Embryo; D002645:Chickens; D006652:Histological Techniques; D012160:Retina / Q000648:ultrastructure*; D013569:Synapses / Q000648:ultrastructure*