On the occurrence of two types of argyrophil cells in the pancreatic islets of the holocephalan fish, Hydrolagus colliei.
D000818:Animals; D005399:Fishes / Q000033:anatomy & histology*; D007515:Islets of Langerhans / Q000166:cytology* / Q000378:metabolism; D012394:Rosaniline Dyes; D012834:Silver; D013194:Staining and Labeling
D012394:Rosaniline Dyes; D012834:Silver