Our results show that immature bipolar cells can be found as early as P1-3, and most characteristic bipolar cells can be identified in P4-6 of the rabbit retina.

• 我的结果发现，兔子出生后1-3天就能发现尚未发育完全的双极细胞，约至4-6天大部分双极细胞的特徵皆已具备。