title: Histochemical and electron-microscopical findings in the pineal organ of Carassius gibelio (Langsd.).
mesh_terms: D000818:Animals; D005399:Fishes / Q000033:anatomy & histology*; D006056:Golgi Apparatus / Q000648:ultrastructure; D010870:Pineal Gland / Q000166:cytology* / Q000648:ultrastructure