zygomaticus major

英語（米国） (en-US) 英語（イギリス） (en-GB)

IPA（発音記号）

/ˌzaɪ.ɡəˌmæt.ək.əs ˈmeɪ.d͡ʒɚ/

名詞

(anatomy) A slender band of muscle on each side of the face that arises from the zygomatic bone, inserts into the orbicularis oris and skin at the corner of the mouth, and acts to pull the corner of the mouth upward and backward when smiling or laughing.

日本語の意味

顔の両側に位置する細長い筋肉。頬骨から起始し、口輪筋や口角の皮膚に停止し、笑顔や笑いの際に口角を上げ、後ろに引く役割を果たす。

英語の意味

(anatomy) A slender band of muscle on each side of the face that arises from the zygomatic bone, inserts into the orbicularis oris and skin at the corner of the mouth, and acts to pull the corner of the mouth upward and backward when smiling or laughing.

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During the dissection, the anatomist carefully exposed the zygomaticus major to show how it elevates the corner of the mouth when a person smiles.

解剖の際、解剖学者は頬骨から起こり、笑うときに口角を上方かつ後方へ引き上げる大頬骨筋を慎重に露出させ、その働きを示した。

詳細

意味（1）

(anatomy) A slender band of muscle on each side of the face that arises from the zygomatic bone, inserts into the orbicularis oris and skin at the corner of the mouth, and acts to pull the corner of the mouth upward and backward when smiling or laughing.

Coordinate term: zygomaticus minor

詳細

zygomatici majores （ plural ）