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A schematic of the left and right kidney connected to various arteries, veins, and ducts. Anatomic labels & arrows are sketched throughout.
Illustration of kidneys from Henry Gray's Anatomy of the Human Body (1918).

First kidney transplant.

1954

MED
MHT
Illustration of kidneys from Henry Gray's Anatomy of the Human Body (1918).

A healthy kidney is transplanted from one twin to another. Physicians began to assess and develop drugs that suppress the immune system in order to prevent transplant rejection.