| Potts' operation | Direct side-to-side anastomosis between aorta and pulmonary artery as a palliative procedure in congenital malformation of the heart. Synonym: Potts' anastomosis. (05 Mar 2000) |
|---|---|
| Potts, Willis | <person> U.S. Paediatric surgeon, 1895-1968. See: Potts' anastomosis, Potts' clamp, Potts' operation. (05 Mar 2000) |
| potyviridae | A family of RNA plant viruses with flexuous, filamentous particles and consisting of three genera: potyvirus, rymovirus, and bymovirus. A fourth genus, ipomovirus, is possible. All members of the family form cytoplasmic cylindrical inclusion bodies during infection. (12 Dec 1998) |
| potyvirus | A large genus of plant viruses of the family potyviridae which infect mainly plants of the solanaceae. Transmission is primarily by aphids in a non-persistent manner. The type species is potato virus y. (12 Dec 1998) |