《英文msh词典》Clonal Abortions
[入口词] Clonal Abortions
[主题词] Clonal Deletion
[英文释义] Removal,via CELL DEATH,of immature lymphocytes that interact with antigens during maturation. For T-lymphocytes this occurs in the thymus and ensures that mature T-lymphocytes are self tolerant. B-lymphocytes may also undergo clonal deletion.