The results showed that there was a positive multiple correlation between the content of T_3 and T_4 and the length of BB. The same multiple correlalion bctween the content of T_3 and T_4 and the area of BLM could be obtained.

• 结果表明T_3、T_4与刷状缘长度、侧基底细胞膜面积呈正相关。