quellung reaction n.
See Neufeld capsular swelling.
| quellung reaction | |
noun | |
| the swelling of the capsule surrounding a microorganism after reaction with an antibody; the basis of certain tests for identifying microorganisms; "pneumococcus quellung" [syn: quellung] |
| a scrap or morsel of food left at a meal. |
| a fool or simpleton; ninny. |