한국인후두에 관한 체지인류학적 연구 제1편 후두연골에 관하여

Abstract

The author carried out measurements and observations on the laryngeal cartilages obtained from 35 male and female adults and discussed statically the significance between the mean values in male and females. Comparison with other races was also made. From these studies, the following conclusions were reached: 1) The maximal diameter and the size of each part of the thyroid cartilage are larger in males than in females except the angle of the superior thyroid notch. the degree of inclination of the superior cornu and the anterior angle of the thyroid cartilage. These are in general smaller than those of European and Alsatian, about equal to those of Chinese, about equal or somewhat larger than those ofJapanese, and larger than those of the Aborigines of Formosa. 2) The thyroid foramen is found in 50.3±6.5% of the total cases and most frequently it is on the left side, 32.1±6.13% of the total cases. Most frequently it is located below the superior thyroid tubercle, 77.8±6.6% of the cases with foramen present. The thyroid foramen appears in Koreans as frequently as in Europeans and Chinese, and more frequently than in Japanese. 3) The size of each item of the cricoid and arytenoid cartilages is larger in males than in females except the height of the lamina, the distance between the inner margins of both arytenoid articular surfaces, the sagittal diameter of arytenoid articular surface and the height of the arytenoid cartilage. These are in general smaller than those of European and Alsatian, aboutequal to those of Chinese, about equal or somewhat larger than those of Japanese and larger than those of the Aborigines of Formosa. 4) The thyroid articular surfaces of the cricoid cartilage are absent in 32.7±O.16% of the total cases. This is comparable with the findings in Japanese and Chinese. 5) Type-a epiglottis is seen most frequently, 54.5±6.54 % of the total cases, and type-b is seen next in order, 29.1±5.9%. This is almost indentical to the findings in Japanese.