Template:LandacreAmstutz1929 table3
From Embryology
Maximum Variation | |||||||
---|---|---|---|---|---|---|---|
Age Days-Hrs. |
Number of Litters |
Number of Embryos Counted |
Means | All Embryos | One Litter | Standard Deviation |
Coefficient of Variation % |
10-12 | 1 | 4 | 8.7 | 6-11 | 6-11 | 2.8 | 32 |
10-13 | 1 | 6 1 | 0. 2 | 8-13 | 8-13 | 1.9 | 19 |
10-16 | 2 | 12 | 12.4 | 6-26 | 6-26 | 5.8 | 47 |
10-17 | 6 | 48 | 12.9 | 4-26 | 7-26 | 3 .3 | 26 |
10-18 | 4 | 23 | 14.1 | 6-18 | 9-18 | 3.1 | 22 |
10-19 | 1 | 6 | 14 .3 | 12-17 | 12-17 | 1.2 | 8 |
10-22 | 3 | 16 | 13.1 | 6-19 | 6-14 | 3.9 | 30 |
10-23 | 3 | 17 | 15.2 | 8-18 | 8-18 | 2.4 | 16 |
11-00 | 2 | 0 | 14.6 | 10-17 | 10-17 | 1.9 | 13 |
11-02 | 2 | 15 | 20 . 9 | 17-22 | 17-22 | 1. 3 | 6 |
11-04 | 1 | 10 | 25. 3 | 23-26 | 23-26 | 1.2 | 5 |
11-06 | 1 | 2 | 18.0 | 18-18 | 18-18 | .0 | 0 |
11-08 | 1 | 8 | 25 0 | 23-28 | 23-28 | 1.9 | 8 |
11-09 | 1 | 3 | 22 .0 | 20-25 | 20-25 | 2 . 2 | 10 |
11-10 | 2 | 18 | 26.2 | 21-31 | 21-31 | 2.9 | 11 |
11-11 | 3 | 26 | 25.6 | 14-29 | 14-27 | 3.2 | 12 |
11-12 | 1 | 3 | 26. 7 | 25-28 | 25-28 | 1.2 | 4 |
11-14 | 1 | 3 | 21.3 | 21-22 | 21-22 | .6 | 2 |
11-15 | 1 | 8 | 23.1 | 17-28 | 17-28 | 4 . 0 | 17 |
11-16 | 1 | 7 | 26.7 | 24-28 | 24-28 | 1.3 | 5 |
11-17 | 1 | 7 | 26.1 | 25-28 | 25-28 | 1.1 | 4 |
11-18 | 3 | 25 | 25 .4 | 19-28 | 19-28 | 1.9 | 7 |
11-20 | 2 | 16 | 27.2 | 25-29 | 25-29 | 1.2 | 4 |
23 Ages | 44 | 292 | Av 2.2 | Av 13% | |||
Data Reference[1] Links: rat | somitogenesis |
- ↑ Landacre FL. and Amstutz MM. Data on the number of somites compared with age in the white rat. (1929) Ohio J. Science. 29(6): 253-259.