For which contribution did Alexis Carrel receive the Nobel Prize in Physiology or Medicine in 1912?
Answer
His work on vascular anastomosis and the triangulation technique
The Nobel Prize awarded to Alexis Carrel in 1912 recognized his fundamental advancements in the mechanical ability to connect blood vessels. Before this, vascular surgery was fraught with extreme risks of bleeding and clotting. Carrel's method of creating a triangular opening using sutures ensured that vessels were joined smoothly. This innovation provided the necessary foundation for the entire field of surgery, specifically enabling the complex vascular connections required for later transplantation procedures.

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