Template:Thompson1951 table1

From Embryology
Table 1 - Tabulated data relative to the loss of nuclei by red blood corpuscles in human embryos during the period of most rapid change
Embryo No. EH Size (mm CR) No. of Cells Counted Av. Non-Nuc. Cells per 100 Counted
Sixth Week
413 9.3 3,000 .00
382 9.5 3,000 .43
379 9.5 3,000 .13
336 10.3 3,000 .10
200 11 2,000 .10
88 11 3,000 .13
266 11 3,000 .16
253 11.2 3,000 .10
271 11.4 3,000 .13
267 12 3,000 .10
262 12.5 3,000 .23
Seventh week
342 13 3,000 .20
252 13.7 3,000 .33
407 14.5 3,000 .10
314 14.8 3,000 .06
194 15 3,000 .13
227 15 3,000 .30
303 15.1 3,000 .16
442 17 3,000 .93
249 15.7 3,000 .36
138 18 3,000 .13
Eighth week
4 (Adjusted age) 18-19 3,000 1.80
353 19 3,000 3.60
253 20 3,000 4.23
420 20.5 3,000 3.76
231 21 3,000 5.13
33 23 3,000 5.26
237 20 3,000 12.03
240 28 3,000 30.90
Ninth week
15 30 3,000 63.40
47 32 3,000 65.53
217 33 3,000 67.30
22 33 3,000 70.00
17 39 3,000 74.13
Tenth week
49 47 3,000 94.50
Eleventh week
370(5) 54 1,000 99.80
312(1)) 54 3,000 99.50
331(0) 55 3,000 97.80
23 60 3,000 96.90
74 60 1,000 97.3
173(k) 65 2,000 98.55