title: Ultrastructural studies on circulating cat blood platelets after in vivo stimulation with collagen.
mesh_terms: D000818:Animals; D001792:Blood Platelets / Q000187:drug effects*; D002415:Cats; D003094:Collagen / Q000008:administration & dosage / Q000494:pharmacology*; D003593:Cytoplasm; D008854:Microscopy, Electron; D008928:Mitochondria; D010973:Platelet Adhesiveness / Q000187:drug effects; D011652:Pulmonary Circulation / Q000187:drug effects
chemical_list: D003094:Collagen