Pills containing cameras already exist, but this is believed to be the first that can be controlled after it has been swallowed.
Once the examination has finished, the spider pill exits the body naturally.
It has been successfully tested on pigs but further trials will be needed before it can be cleared for use by doctors.
Elisa Buselli, one of the scientists working on the project that created the spider pill, said: “This should improve the situation not just for the patient but also the doctor.”
Link via Popular Science | Image: BBC News