Bird retinas function without oxygen—solving a centuries-old biological mystery - Phys.org
science 2026/01/21 16:00:12

Bird retinas function without oxygen—solving a centuries-old biological mystery - Phys.org

Source:Phys.Org
Author:Aarhus University

Neural tissue normally dies quickly without oxygen. Yet bird retinas—among the most energy-demanding tissues in the animal kingdom—function permanently without it. This may be relevant in future treatment of stroke patients.