…the front, upper, and posterior edges of the pinna are generally curled inwards, forming a circular cone. The helix is a small, rounded projection sometimes seen on the posterior upper part of the helix, called the Darwin tubercle or auricular tubercle, and is considered a small malformation. In rare cases, the tubercle protrudes in a shell-like shape, forming a malformation called the Macacus ear. *Some of the terminology that mentions "tuberculum auriculae" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…耳介の前,上,後縁にわたり大部分の輪郭の縁は,多少内方にまきこんでおり,耳輪と呼ばれる。耳輪の後上部のまきこんだ縁にときにみられるにぶい突起をダーウィン結節,あるいは耳介結節tuberculum auriculaeといい,小さな奇形と考えられている。まれには,この結節が貝殻状に突出しているマカクス耳Macacus earと呼ばれる奇形がある。… ※「tuberculum auriculae」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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