blood transfusion

noun

the injection of blood from one person or animal into the bloodstream of another.

Origin of blood transfusion

First recorded in 1875–80

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

This blood-transfusion occurs in nature in the "Free-Martin" cattle.
Taboo and Genetics
Melvin Moses Knight, Iva Lowther Peters, and Phyllis Mary Blanchard