Difference between Invivo and Invitro

Invivo, In vitro and In silico are three common terms used in biological sciences especially in labs.
In vivo

Model Organism

1. In Latin means “within the living”
2. In vivo experiment involves the experimentation using a whole living organism
Example: Use of model organisms such mice, rabbit, apes etc where drugs are directly injected into the body (drug testing).
In vitro

1. In Latin means “within the glass”
2. In vitro experiment involves the experimentation outside whole living organism in a controlled laboratory conditions
Example: Cell culture experiments in Petri dishes, or some experiments in test tubes.