title: A pigmented gelatin mass for vascular injection.
mesh_terms: D001808:Blood Vessels / Q000473:pathology*; D005557:Formaldehyde; D005780:Gelatin; D006863:Hydrogen-Ion Concentration; D007269:Injections, Intra-Arterial; D007275:Injections, Intravenous; D008722:Methods; D011193:Potassium Iodide; D013194:Staining and Labeling; D013696:Temperature; D013997:Time Factors; D014783:Viscosity
chemical_list: D011193:Potassium Iodide; D005557:Formaldehyde; D005780:Gelatin