耳轮脚
Crus helicis
定义
耳轮脚是指耳轮前方起点处的软骨嵴，向内侧突出于耳甲之上。它构成耳轮自耳廓软骨起始处的初始节段。该结构亦通称为耳轮前根，两种名称可互换使用。
參考資料
National Human Genome Research Institute. (n.d.) Anatomy of the ear and related information. Available at: [https://elementsofmorphology.nih.gov/anatomy-ear.shtml] (Accessed: 27 May 2025).
Szymanski A, Geiger Z. Anatomy, Head and Neck, Ear. [Updated 2023 Jul 24]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK470359/
