Assertion: antigen | /r/HasProperty | antigen a
Facets:
value: homologous ,
type: OTHER
value: within the same species
type: OTHER
value: from someone
type: OTHER
Source sentences:
text: Human erythrocytes have only two types of antigens (Antigen A and B) expressed in different combinations to give either erythrocytes that express only antigen A, antigen B, antigen A and B together or no antigen at all.
text: Homologous , or allogenic, antigens are antigens from someone else (within the same species) that are foreign to you
text: The two antigens are antigen A and antigen B.