title: Electron microscopic studies on the thyroid gland of the hagfish, Eptatretus burgeri. (a part of phylogenetic studies of the thyroid gland).
mesh_terms: D000818:Animals; D001345:Autoradiography; D002196:Capillaries / Q000648:ultrastructure; D003102:Colloids; D003238:Connective Tissue / Q000648:ultrastructure; D003239:Connective Tissue Cells; D005399:Fishes / Q000033:anatomy & histology*; D007267:Injections; D007455:Iodine / Q000378:metabolism; D007457:Iodine Radioisotopes; D007798:Lampreys / Q000033:anatomy & histology*; D008247:Lysosomes; D008855:Microscopy, Electron, Scanning; D010873:Pinocytosis; D013961:Thyroid Gland / Q000378:metabolism / Q000648:ultrastructure*
chemical_list: D003102:Colloids; D007457:Iodine Radioisotopes; D007455:Iodine