| Noun | 1. | plasm - the protoplasm of the germ cells that contains chromosomes and genes living substance, protoplasm - the substance of a living cell (including cytoplasm and nucleus) |
| 2. | plasm - the colorless watery fluid of the blood and lymph that contains no cells, but in which the blood cells (erythrocytes, leukocytes, and thrombocytes) are suspendedECF, extracellular fluid - liquid containing proteins and electrolytes including the liquid in blood plasma and interstitial fluid; "the body normally has about 15 quarts of extracellular fluid" plasma protein - any of the proteins in blood plasma gamma globulin, human gamma globulin - a plasma protein containing the immunoglobulins that are responsible for immune responses |