Hh-1 Antigen

**Semantic type:** Immunologic Factor

**Definition:** the products of "hybrid histocompatibility" (Hh) loci, responsible for the phenomenon known as hybrid resistance. (from Fundamental Immunology, 3rd ed., William Paul, ed., Raven Press, NY 1993, pg 1104-1105)

**Synonyms:** - Hematopoietic Histocompatibility-1 - Hemopoietic Histocompatibility-1