| a particle that takes a characteristic stain, found in a virus-infected cell. |

| inclusion body n. An abnormal structure in a cell nucleus or cytoplasm having characteristic staining properties and associated especially with certain viral infections, such as rabies and smallpox. |
inclusion body n.
An abnormal structure in a cell nucleus or cytoplasm having characteristic staining properties and associated especially with certain viral infections, such as rabies and smallpox.