【獸醫師考-認同按讚】評論
Severe Combined Immunodeficiency Disease. Severe com-bined immunodeficiency disease (SCID) is a family of genetic defects that have in common deficiencies in both humoral and cell-mediated immunity. In its extreme form, SCID results from a defect in the common lymphoid stem cell that results in defective cell-mediated and humoral immune responses. More commonly, SCID defects affect either T lymphocytes or B and T lymphocytes and are best characterized in human beings, mice, dogs, and horses. T lym-phocyte defects often clinically have a combined immuno...