Glossary
- In vitro : In the test tube, not in the living organism.
- In vivo : Refers to a biological process observed in a living organism, in opposition to in vitro.
- Incidence : Describes the frequency of a disease in a population (Med.)
- Intermediate filament : Component of the cytoskeleton made up of fibrillary proteins assembled in a helicoid shape.
- Intron : Sequence of a gene that does not encode for protein.