嚼肌,是頭部肌肉,用於咬合和咀嚼,面部兩側各有一塊嚼肌,從下頜或下頜骨沿伸到顴骨。每塊嚼肌與固定在顳骨上的兩塊顳肌之一一起運作可將下巴往上拉。這些肌肉共同產生巨大的力量。當你咬東西時,頜兩側的肌肉拉力相等;當你咀嚼時,肌肉的拉力不相等,使頜左右移動。嚼肌下面有稱為翼肌的小肌肉,可輔助咀嚼運動。
〈人體學習百科〉 貓頭鷹出版社 ISBN 957-9684-11-1
这是一篇關於肌肉的小作品。你可以通过编辑或修订扩充其内容。 |
This article uses material from the Wikipedia 中文 article 嚼肌, which is released under the Creative Commons Attribution-ShareAlike 3.0 license ("CC BY-SA 3.0"); additional terms may apply (view authors). 除非另有声明,本网站内容采用CC BY-SA 4.0授权。 Images, videos and audio are available under their respective licenses.
®Wikipedia is a registered trademark of the Wiki Foundation, Inc. Wiki 中文 (DUHOCTRUNGQUOC.VN) is an independent company and has no affiliation with Wiki Foundation.