Template:Norris1946a table1

Embryos Parathyroid

NUMBER OF NUMBER OF AVERAGE 15-19 H 56 0.00218 20-24 26 105 0.00233 25-29 17 68 0.00267 30-34 14 56 0.00333 35-39 7 26 0.00282 40-44 3 12 0.00425 45-49 4 16 0.00312 50-54 1 4 0.00242 55-59 1 4 0.00469 60-64 1 4 0.00274 65-69 2 8 0.00528 70-74 0 0 . . . . . . 75-79 1 4 0.00583 80-84 1 4 0.00511 85-89 1 4 0.01135 90-114 0 0 . . . . . . 115-119 1 2 0.05100 120-154 0 0 . . . . . . 155-159 1 1 0 25920 Totals 95 374