Individual differences |
Methods | Statistics | Clinical | Educational | Industrial | Professional items | World psychology |
Biological: Behavioural genetics · Evolutionary psychology · Neuroanatomy · Neurochemistry · Neuroendocrinology · Neuroscience · Psychoneuroimmunology · Physiological Psychology · Psychopharmacology (Index, Outline)
- This article is about biological strains. For other meanings, see strain.
In biology, Strain can be used in three ways.
Microbiology/Virology[edit | edit source]
A strain is a genetic variant or subtype of a virus or bacterium. For example, a "flu strain" is a certain biological form of the influenza or "flu" virus. Compare clade.
Plants[edit | edit source]
A strain is sometimes used to indicate a group of plants with similar (but not identical) appearance and/or properties. The term has no official status.
Rodents[edit | edit source]
A mouse or a rat strain is a group of animals that is genetically uniform. Strains are used in laboratory experiments. Mouse strains can be inbred, mutant or genetically engineered, rat strains are usually inbred.