human leucocyte antigen system; a group of the most important antigens responsible for tissue compatibility, together with the genes that encode them. For tissue and organ transplantation to be successful there needs to be a minimum number of HLA differences between the donor’s and recipient’s tissue
- Hla typing
HLA typing (āch’ěl-ā’) n. A method for determining compatibility for bone marrow transplantation using the tissue of unrelated donors and recipients.
1. Home Loan Bank Board.
heavy lift capability
- HL hinge
noun 1. . noun 1. a surface-mounted hinge that when applied resembles H and L combined.