丹东地区满族1054例皮纹学调查研究

Ivestigation of dermatoglyphics of Manchu people 1054cases in Dandong area

本组于１９９０年至１９９３年间对丹东地区正常纯满族１０５４人（男５３６，女５１８）皮纹进行调查研究。检测满族人的手指皮纹，总嵴纹数（ＴＲＣ），ａ－ｂ嵴纹数（ＲＣ），指间区皮纹，大鱼际区皮纹，小鱼际区皮纹，手掌三角（角ａｔｄ），ｔ距比值（ＴＤＲ），Ａ主线走向，Ｃ主线走向，手掌屈褶线，皱褶掌，足拇趾球区皮纹共１３项内容。本研究对在满族人中开展遗传与优生，提高人口遗传素质等方面的科研及临床应用均有重要意义。

Normal pure Manchu peoPle's dermatoglyph 1054 cases(male 536 femal 518)between 11 and 16 years agein 26 middle and primary schools in the both of Fengcheng and Xiuyan Manchu autonomouse county of Dandong area were investigated from 1990 to 1993.6324 prints of derma toglyph of hands and feet were drawn. By way of dermatoglyph print and magnify count,all dermatoglyph's data was acquired. 13 item contents were investigated.The following is the results: In the fingerprints,the appearance rate of whorl is 48.44 per cent, loop 48.33 per cent,arch 3.35 per cent.The appearance rate of distal loopin the interdigital area is 4 area 69.9 per cent, 3 area 18.45 per cent, 3 area and 4 area mixed 13.3 per cent, 2 area 1.7 per cent. The total ridge count is 141.5;a-b ridge count is 70.5. t distance ratio is 17.05 per cent; The palm trangls is 41.75 angle; The appearance rate of flexion creases,transitional type 54.8 per cent.Simian line 3.55 per cent,Sydney line 0.34 per cent.The run of A mainline gives priority to 3 area 49.81 per cent and 5'area 45 per cen.The run of C mainline gives priority to 5'area 31.63 per cent, 7 area 41.2 per cent and 9 area 19.3 per cent;In thenar area, loop 17.54 per cent,whorle 0.35 per cent;In hypothenar area, loop 20.55 per cent, whorle 0.55 per cent;The appearanec rate of fold palm is 13.4 per cent; In the Hallucal area, loop 66.05 per cent,arch 10.76 per cent, whorle 23.02 per cent.