The endocrine pancreas in some Scombridae.
D000818:Animals; D001659:Biliary Tract / Q000033:anatomy & histology; D002467:Cell Nucleus; D003593:Cytoplasm; D005399:Fishes / Q000033:anatomy & histology*; D007422:Intestines / Q000033:anatomy & histology; D007515:Islets of Langerhans / Q000033:anatomy & histology / Q000166:cytology; D010179:Pancreas / Q000033:anatomy & histology* / Q000166:cytology; D013045:Species Specificity; D013194:Staining and Labeling; D013270:Stomach / Q000033:anatomy & histology