关键词: 指纹;藏族;拉萨

Abstract: The finger prints of Tibetans in good health from various counties close to Lhasa city of Tibet Autonomous Region were analysed. There are 517 persons in this sample including 226 males and 291 females, aged 12-19 years. The resulfs obtained are as follows:
1. The frequencies of finger patterns Ws, Wd, Lu, Lr, As and At(%±sp) are 46.58±0.69, 8.28±0.38, 41.45±0.69,1.72±0.18, 1.30±0.16 and 0.68±0.11 respectively. The whorls in male are more abundant than those in female (p<0.01), while the loops have higher frequencies in female than in male (p < 0.01). There are no difference in frequency of arches between male and female (p>0.5).
2.Furuhata's index, Dankmeije's index; pattern intensity index and pattern coefficient are 127.08, 3.59, 15.29 and 55.96 respectively.
3. Mean total finger ridge count (TFRC) is 149.43±33.53 in male and 136.79±37.94 in female. TFRC is of larger number in male than in female (p<0.01).
4. Comparison among the Tibetans living in different regions suggests that the Tibtans in various counties near Lhasa city are less different from the Tibetans in Pingwu Region of Sichuan Province and Lhasa City Proper, and more different from the Tibetans in Gannan Region of Gansu Province and in Markang Region of Sichuan Province.
5. Different nationalities and races were compared. Tibetans showed smaller difference from the Hans and other Mongoloids such as Japanese and greater difference from the Caucasians and the Negroes. The results showed that the finger patterns of Tibetans in various counties close to Lhasa city of Tibet Autonomous Region have their own special features, and showed general character shared with the Mongoloids.

Key words: Finger print; Tibetan; Lhasa