カニクイザルの頬骨下顎筋溝に見られる頬骨下顎筋稜(新称)について

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タイトル別名
  • The Crista Zygomaticomandibularis (New Term) on the Sulcus Zygomaticomandibularis in the Crab eating Monkey
  • カニクイザル ノ ホウボネ カガク キン コウ ニ ミラレル ホウボネ カガク

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抄録

The tendon attachments of the superficial temporalis and the secondlayer of zygomaticomandibularis are clearly recognized on sulcus zygomatico-mandibularis (YOSHIKAWA, 1963) which is made by the development of zygo-maticomandibularis. The superficial temporalis embraces the outside of the first layer of the latter, attaching on the posterior wall of orbita. The attach-ments make generally the shallow sulci but rarely ridges in 3-4 years old.<br>The tendon attachments of the second layer of zygomaticomandibularis separate downwards from the f rontoorbital margin and extend from the posterior wall of so-called zygomaticotemporal foramen to the posterior region of zygo-maticoorbital margin. The traces of its attachments make simple low eminences as well as vague lines, but rarely the belt-like eminences, which were made by two ridges. Sometimes, the long one runs to pterygopalatine fossa and the other, which makes circular tubercle, ends suddenly or diminishes gradually on the way.<br>These cristae have been called by EHARA (1969) crista temporalis lateralis, but the authors wish to call them the crista zygomaticomandibularis.

収録刊行物

  • 人類學雜誌

    人類學雜誌 83 (2), 172-178, 1975

    一般社団法人　日本人類学会

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