The correlative light and electron microscopy of the islets of Langerhans in some lower vertebrates.
D000717:Anatomy, Comparative; D000818:Animals; D005399:Fishes / Q000033:anatomy & histology; D007515:Islets of Langerhans / Q000166:cytology*; D008853:Microscopy; D008854:Microscopy, Electron; D008867:Microtomy; D012911:Snakes / Q000033:anatomy & histology; D013194:Staining and Labeling