title: Ultrastructural organization of endothelial cells in the capillaries of the avian pecten oculi.
mesh_terms: D000818:Animals; D001717:Birds / Q000033:anatomy & histology*; D004727:Endothelium / Q000648:ultrastructure; D005123:Eye / Q000648:ultrastructure*; D006652:Histological Techniques; D008854:Microscopy, Electron; D012160:Retina / Q000648:ultrastructure