…These bones do not ossify simultaneously but sequentially, so by examining their condition with an X-ray, we can roughly estimate the age of the person. The metacarpus is the part that continues to the end of the carpus, and inside it are five bones called metacarpals that correspond to each finger and are arranged radially, forming the support for the fingers. The carpus and metacarpus are clearly distinguished in the skeleton, but externally they are continuous and there is no boundary between them. … *Some of the terminology that mentions "metacarpus" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…これらの骨は同時ではなく順次に骨化するから,レントゲンでその状態を調べると,だいたいの年齢を推定することができる。中手metacarpusは手根の先に続く部分で,内部に中手骨という5本の骨が各指に相当して放射状に並び,その支柱をなす。手根と中手とは骨格でははっきり区別されるが,外形的には続いていて境界はない。… ※「metacarpus」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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