title: Further studies on endothelial cells of vertebrates and the problem of endothelial granules.
mesh_terms: D000818:Animals; D001011:Aorta / Q000166:cytology; D001717:Birds; D010872:Caniformia; D002685:Chiroptera; D003594:Cytoplasmic Granules; D004727:Endothelium / Q000166:cytology; D004847:Epithelial Cells; D006654:Histology, Comparative; D008854:Microscopy, Electron