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臉頰

脸颊
女孩凸起的脸颊
基本信息
动脉颊动脉
神经颊神经、面神经颊支
标识字符
拉丁文Bucca
MeSHD002610
TA98A01.1.00.008、​A05.1.01.014
TA2116
FMAFMA:46476
解剖學術語

脸颊拉丁語buccae)也称面颊,是指脸的两侧从眼下部到下颌部分,不含口鼻部;具体是指人类和哺乳动物眼睛下部,旁到两耳前,向下至下巴的表面部分[1],且在眼睛和颧骨的下部内形成了口腔侧壁。则是脸颊的下半部,俗称“腮帮子”。此外,本义指下巴、颌[2],但后来延伸也指腮颊[3]

脊椎动物亚门中,脸颊上(特别是眼下)的纹路或花纹,经常被用来当做区分生物物种个体的依据。

在神经学上,支配这里的神经是颊神经。

在面颊内的表面上(口腔的一部分)附有一层黏膜,人类经常在此用棉签来提取脱氧核糖核酸(DNA)。

脸颊上有一层被非角化复层鳞状(stratified squamous epithelium)上皮固定的能够覆盖皮肤的毛。黏膜内附有颊腺,但是对不同动物来说颊腺有大有小。对食肉动物来说,他们的口腔腺大且独立,像颧骨腺。在咀嚼时,面颊内侧和舌头之间能够一起包住食物。

参考

[编辑]
  1. ^ 道兰氏医学词典中的cheek
  2. ^ 存档副本. [2022-01-03]. (原始内容存档于2021-11-27). 
  3. ^ 存档副本. [2022-01-03]. (原始内容存档于2022-01-03). 
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臉頰
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