| LYS | of North America |
|---|---|
| LYS | a variety of the loosestrife herb |
| LYS | trailing European evergreen with yellow flowers |
| LYS | a loosestrife vine |
| LYS | common North American yellow-flowered plant |
| LYS | North American plant with spikes of yellow flowers, found in wet places |
| LYS | frequently considered a weed |
| LYS | Macedonian general under Alexander the Great |
| LYS | any substance (such as an antibody) or agent that can cause lysis |
| LYS | an essential amino acid found in proteins |
| LYS | a disorder in which a lack of certain enzymes makes it impossible to digest the amino acid lysine |
| LYS | an inborn error of metabolism in which the lack of certain enzymes leads to an inability to metabolize the amino acid lysine |