title: Multipotential cells in the circulating blood: ultrastructural evidence in the calf.
mesh_terms: D000818:Animals; D001243:Assisted Circulation; D001773:Blood Cells / Q000648:ultrastructure*; D002417:Cattle; D003094:Collagen / Q000032:analysis; D004727:Endothelium / Q000648:ultrastructure; D005347:Fibroblasts / Q000166:cytology; D008264:Macrophages / Q000166:cytology
chemical_list: D003094:Collagen