MeSH definition : A sex-specific cell surface antigen produced by the sex-determining gene of the Y
chromosome in mammals. It causes syngeneic grafts from males to females to be rejected
and interacts with somatic elements of the embryologic undifferentiated gonad to produce
testicular organogenesis.;
MeSH synonym : antigen, h-y; hy antigen; ga-1 germ cell antigen; ga 1 germ cell antigen; antigen, hy; H Y antigen;
A sex-specific cell surface antigen produced by the sex-determining gene of the Y
chromosome in mammals. It causes syngeneic grafts from males to females to be rejected
and interacts with somatic elements of the embryologic undifferentiated gonad to produce
testicular organogenesis.