title: Tumors in amphibians. I. Histology of a neuroepithelioma in Siredon mexicanum.
mesh_terms: D000663:Amphibians; D000818:Animals; D002455:Cell Division; D007985:Leydig Cells; D008297:Male; D009062:Mouth Neoplasms / Q000473:pathology* / Q000662:veterinary*; D018241:Neuroectodermal Tumors, Primitive, Peripheral / Q000473:pathology* / Q000662:veterinary*; D013194:Staining and Labeling