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Table 3.

Total length of blood vessels under the air cell(Lac), the rest of the CAM (Lre),their ratios (Lac/Lre) and the ratio of the corresponding surface areas(Sac/Sre) in different days of incubation

Embryonic age (day)
Parameter101214161820ANOVA (among days)
Lac (×104 mm) 1.20 1.71 1.18 2.92 3.18 3.67 P<0.001* 
% of day 10 100 142 98 243 265 306  
Lre (×104 mm) 5.99 9.56 6.00 9.83 9.11 7.91 P<0.005* 
% of day 10 100 160 100 164 152 132  
t-test (between zones) P<0.001 P<0.001 P<0.001 P<0.005 P<0.001 P<0.05  
Lac/Lre 0.20 0.19 0.20 0.30 0.35 0.47 P<0.005** 
Sac/Sre 0.13 0.16 0.18 0.21 0.23 0.25 P<0.001** 
N 10 13 13 12 13  
Embryonic age (day)
Parameter101214161820ANOVA (among days)
Lac (×104 mm) 1.20 1.71 1.18 2.92 3.18 3.67 P<0.001* 
% of day 10 100 142 98 243 265 306  
Lre (×104 mm) 5.99 9.56 6.00 9.83 9.11 7.91 P<0.005* 
% of day 10 100 160 100 164 152 132  
t-test (between zones) P<0.001 P<0.001 P<0.001 P<0.005 P<0.001 P<0.05  
Lac/Lre 0.20 0.19 0.20 0.30 0.35 0.47 P<0.005** 
Sac/Sre 0.13 0.16 0.18 0.21 0.23 0.25 P<0.001** 
N 10 13 13 12 13  

Values are means. Student's t-tests (paired) are between zones. *One-way ANOVA among days. **Kruskal–Wallis ANOVA,median test among days for the ratio of air cell to rest.

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