xenotransplantxen‧o‧trans‧plant /ˌzenəʊˈtrænsplɑːnt $ -noʊˈtrænsplænt/ noun 
1[countable, uncountable] the operation of putting an organ from an animal into a person’s body: 
Doctors in Mississippi performed the world’s first heart xenotransplant.2[countable] the organ that is moved in a xenotransplant operation—xenotransplant verb [transitive]—xenotransplantation /ˌzenəʊtrænsplɑːnˈteɪʃən $ -noʊtrænsplæn-/ noun [uncountable]: health risks related to xenotransplantation
1[countable, uncountable] the operation of putting an organ from an animal into a person’s body: Doctors in Mississippi performed the world’s first heart xenotransplant.2[countable] the organ that is moved in a xenotransplant operation—xenotransplant verb [transitive]—xenotransplantation /ˌzenəʊtrænsplɑːnˈteɪʃən $ -noʊtrænsplæn-/ noun [uncountable]: health risks related to xenotransplantation