耳屏(英文:Tragus),是外耳耳廓上的一个小突起软骨结构,反向延伸至外耳道[1][2]。由于耳屏朝向后方,有助于耳部接受后方的声音信号。相比于前方的声音信号,后方的声音信号在接收上有延迟,这有助于大脑辨别前方和后方的声源[3][4]

耳屏
Gray904.png
外耳耳廓
基本信息
屬於外耳
标识字符
拉丁文Tragus
TA98A15.3.01.017
TA2111
FMAFMA:60998
格雷氏p.1034
解剖學術語

临床编辑

瘘管诊断试验中,如患者为阳性(即存在从耳部胆脂瘤内耳迷路的瘘),则在其耳屏或周围加压导致的外淋巴运动可使患者产生眩晕或眼球歪斜/眼球震颤[5][6]

外耳畸形的种类里包括在耳屏旁出现副耳[7]

其他物种编辑

耳屏是许多蝙蝠品种的显著特征。作为外耳道口处的结构,耳屏在搜集声波方面扮演重要角色,可协助辨别猎物方位以及导航[8]。与此同时,耳屏的特征可用于辨别蝙蝠种类[9]

参见编辑

参考资料编辑

  1. ^ Szymanski, Alice; Geiger, Zachary. Anatomy, Head and Neck, Ear. StatPearls. Treasure Island (FL): StatPearls Publishing. 2021 [2021-03-08]. PMID 29262017. (原始内容存档于2021-03-15). 
  2. ^ Anatomy of the Ear. Online Research Resources Developed at NHGRI. [2021-03-08]. (原始内容存档于2021-03-18). 
  3. ^ Muller, Raulf. A numerical study of the role of tragus in the big brown bat. The Journal of the Acoustical Society of America (Research Gate). 2004, 116 (6): 3701–12 [13 January 2013]. Bibcode:2004ASAJ..116.3701M. PMID 15658720. doi:10.1121/1.1815133. 
  4. ^ External Ear - an overview. Science Direct. [2021-03-08]. (原始内容存档于2021-03-15). 
  5. ^ Jones, Jeremy. Radiology Reference Article | Radiopaedia.org. Radiopaedia. [2021-03-08]. (原始内容存档于2021-08-20) (美国英语). 
  6. ^ How is the fistula test performed in a dizziness evaluation?. www.medscape.com. [2021-03-08]. (原始内容存档于2020-12-02). 
  7. ^ Hwang, Jungil; Cho, Jaeyoung; Burm, Jin Sik. Accessory auricle: Classification according to location, protrusion pattern and body shape. Archives of Plastic Surgery. 2018-9, 45 (5): 411–417. ISSN 2234-6163. PMC 6177632 . PMID 30282411. doi:10.5999/aps.2018.00430. 
  8. ^ Chiu, C., & Moss, C. F. (2007). The role of the external ear in vertical sound localization in the free flying bat, Eptesicus fuscus. The Journal of the Acoustical Society of America, 121(4), 2227-2235.
  9. ^ Bats of Wisconsin (PDF). Wisconsin Department of Natural Resources. Wisconsin Department of Natural Resources. 2013 [April 11, 2017]. (原始内容存档 (PDF)于2016-08-04).