Table 3.

 Cell number of different cell types in tracheal epithelium per five fields (×400) during regeneration

Time	Type	N	0 h	3 h	6 h	12 h	24 h	48 h
Oct3/4(+)	Number	0	10	19	63	31	12	5
	Ratio*	0	0.400	0.475	0.830	0.221	0.070	0.020
Nanog(+)	Number	0	10	21	65	30	10	4
	Ratio*	0	0.400	0.525	0.867	0.214	0.059	0.016
Sox2(+)	Number	0	9	18	62	33	10	5
	Ratio*	0	0.360	0.450	0.827	0.236	0.059	0.020
Total		252	25	40	75	140	170	249

*Ratio = Cell number of different cell types/total cell number.