- pyaemiaA type of septicemia caused usually by the presence of Staphylococcus bacteria in the bloodstream; characterised by metastatic abscesses and other symptoms associated with septicemia.
- pyo-pus
- pyometraAn infection of the uterus most commonly seen in dogs, but also occasionally in other small mammals, resulting from hormonal and structural changes in the lining of the uterus.