The phrase "rabbit kidney" refers to the organ that is found inside a rabbit's body. It is part of their urinary system and helps filter their blood to produce urine. Full definition
Greg Fahy of the American Red Cross in Bethesda, Maryland, said last week that he and his colleagues hope to have developed a method for preserving rabbit kidneys — which are very similar in tissue type and structure to human ones — by Christmas. (newscientist.com)
Next, the scientists plan to assess whether nanowarming can thaw vitrified rabbit kidneys without causing tissue damage. (aaas.org)
Induction of metallothionein synthesis by cadmium and zinc in cultured rabbit kidney cells (RK - 13) (biochemj.org)