The results of TUNEL-POD staining and the count of apoptotic lymphocytes showed that the apoptotic cells were few in normal MLNs, but increased obviously postburn ( P < 0.01), especially at 3 PBH. TUNEL-POD染色结果,MLNs伤前几乎未见凋亡淋巴细胞,但伤后显著增多(P<0.01),以3h为明显;