title: The circulatory system of amphioxus (Branchiostoma floridae). II. Uptake of exogenous proteins by endothelial cells.
mesh_terms: D000135:Acid Phosphatase / Q000378:metabolism; D000818:Animals; D001808:Blood Vessels / Q000033:anatomy & histology / Q000378:metabolism*; D002816:Chordata, Nonvertebrate / Q000033:anatomy & histology*; D003239:Connective Tissue Cells; D003593:Cytoplasm; D004705:Endocytosis; D004727:Endothelium / Q000166:cytology / Q000378:metabolism; D005293:Ferritins; D006651:Histocytochemistry; D008247:Lysosomes / Q000201:enzymology; D008722:Methods; D008854:Microscopy, Electron; D008870:Microtubules; D009210:Myofibrils; D010544:Peroxidases / Q000378:metabolism; D011506:Proteins / Q000378:metabolism*
chemical_list: D011506:Proteins; D005293:Ferritins; D010544:Peroxidases; D000135:Acid Phosphatase