環甲韌帶

環甲韌帶（cricothyroid ligament；conus elasticus）由兩個部分組成：

*"環甲中韌帶(median cricothyroid ligament)"沿中線而分佈（一層厚的環甲膜）。
*"環甲側韌帶(lateral cricothyroid ligament)"分佈在每一側（兩側韌帶亦被稱為"環聲膜"(conus elasticus)）。

環甲中韌帶
環甲側韌帶
臨床意義
在緊急情況之環甲膜切開術則切斷韌帶。這種韌帶的主要目的是保持環狀軟骨和甲狀軟骨不要分離太遠。

附加圖片
File:Slide5e.JPG|環甲韌帶
File:Slide3f.JPG|環甲韌帶
File:Slide6lll.JPG|環甲韌帶
File:Slide5ooo.JPG|環甲韌帶
File:Slide2deded.JPG|肌肉、神經和頸動脈。深層解剖。前視圖M。
File:Larynx detailed.jpg|環甲韌帶

註釋
參考文獻
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*April, Ernest. "Clinical Anatomy"[https://www.bookdepository.com/Clinical-Anatomy-Ernest-W-April/9780683061994] , 3rd ed. Lippincott, Williams, and Wilkins,01 Jan 1997. ISBN 9780683061994

參見
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*環甲膜切開術

外部連結
*[https://teachmeanatomy.info/neck/viscera/larynx/ligaments-folds/ Laryngeal Ligaments and Folds - Vocal - Vestibular]
*[https://www.healthline.com/human-body-maps/cricothyroid-ligament#2 Cricothyroid Ligament Anatomy, Function & Diagram]
*[https://www.imaios.com/en/e-Anatomy/Anatomical-Parts/Median-cricothyroid-ligament Median cricothyroid ligament]
*[https://www.sciencedirect.com/topics/veterinary-science-and-veterinary-medicine/cricothyroid-ligament Cricothyroid Ligament - an overview]
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