Health & biology · c. 170 CE
Galenic medicine
Galen dissected animals and proved arteries carry blood, founding experimental physiology.
Working in Rome around 170 CE, Galen wrote hundreds of treatises on anatomy and physiology from animal dissection. His system dominated European and Islamic medicine until the Renaissance.
What it built on 1
What it led to 2
Related measurements
The dashed line marks when it first worked.
Life expectancy in the UK since 1543 Latest: 81.3 years (2023) Source: Our World in Data