These images document the process of muscle tissue recovery following exposure to snake venom toxin 3 / 3 These images document the process of veins gradually growing into implanted muscle fibers ...

An intramuscular injection is a technique used to deliver a medication deep into the muscles. This allows the medication to be absorbed quickly. Learn more.

16 million COVID-19 jabs have been administered to deltoids around the world. By why inject into muscle? Why not straight in a vein — or even up the nose?