medical and biological sciences - Collegium Medicum - Uniwersytet ...

Quantitative anatomy of the aortic arch branches in human fetuses: an anatomical, digital and statistical study 71generate the growth curves. In material under examination,the original external diameters of the aortic archbranches increased as follows: y = -1.9835 + 0.1948x ±0.3728 for the brachiocephalic trunk, y = -1.5228 +0.1428x ± 0.2749 for the left common carotid artery, y= -1.2169 + 0.1233x ± 0.2389 for the left subclavianartery, and y = -3.034 + 0.2845x ± 0.4253 for thebrachiobicarotid trunk. The above-mentioned linearfunctions were the best model for the growth of thediameters examined, because correlation coefficientsbetween the diameters examined and fetal age werevery high (r = 0.95; 0.97) and statistically significant(P