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ヒト橋の形態学的研究

フォーマット:
論文(リポジトリ)
責任表示:
塚野, 捷
出版情報:
新潟医学会, 1991-03
掲載情報:
新潟医学会雑誌 = 新潟医学会雑誌
ISSN:
00290440  CiNii Articles  Webcat Plus  JAIRO
著者名:
塚野, 捷  
巻:
105
通号:
3
開始ページ:
187
終了ページ:
192
バージョン:
publisher
概要:
The morphometric observation was done on the pons of the human adult, infant and fetus brains. The result was summarized as follow: 1. On the ventral view, the mean size of the pons was 31.45mm in width, 25.98mm in length and the largest length on each side was 27.02mm (right) and 27.03mm (left) respectively. 2. On the mid-sagittal plane(MSP), the mean area of the pons was 339.9mm^2 and on the average size, of it was 25.43mm in cranio-caudal extent and 21.09mm in hight. The angle of the ventral projection (AVP) was 61.97. AVP of males tended to show larger than that of females, that is, the pons of males protruded to ventral more than females. The pontine index (PI) became 83.2 and the reciprocal relationships was found between AVP and PI. 3. On the fetus pons, AVP gradually increase, and after 5th month the pons essentially takes form in adult shape. Taking into account the myelination of the pyramidal and cortico-pontine tract, it is suspected that the form of the pons, especially the ventral swelling of it, accomplish about three or four years old. 続きを見る
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