| polyol pathway, polyol, polynucleotide phosphorylase | |
| polyose, polypeptide, polypeptide hormone |
A genus in the family Papovaviridae that includes simian virus 40 and polyomavirus, both of which cause tumors in rodents and have been extensively studied as models of oncogenic DNA viruses. A polyoma-like virus may cause an acute disease in psittacine birds.