title: Structure and fine structure of the pars distalis in cyclostome, holostean, and teleostean representatives.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D005260:Female; D005399:Fishes; D008297:Male; D008854:Microscopy, Electron; D010902:Pituitary Gland / Q000166:cytology*; D010903:Pituitary Gland, Anterior / Q000166:cytology* / Q000648:ultrastructure; D013045:Species Specificity; D014337:Trout