髋臼唇
Labrum acetabuli
定义
附着于髋臼边缘的纤维软骨缘称为髋臼唇。杯状髋臼窝深而呈半球形，位于髋骨外侧面，与股骨头相关节，共同构成髋关节。
髋臼唇具有加深髋臼腔的重要功能，从而限制髋关节的极度运动范围并为关节提供稳定性。
髋臼唇在解剖学上被划分为四个象限。各象限对应髋臼缘周围的区域，通常采用时钟面法进行标注：
參考資料
Standring, S. and Gray, H. (2016). ‘Chapter 80: Pelvic girdle gluteal region and thigh’ in Gray’s anatomy The anatomical Basis of Clinical Practice. (41st ed.) New York: Elsevier, pp. 1339-1342.
Glenister R, Sharma S. Anatomy, Bony Pelvis and Lower Limb, Hip. [Updated 2022 Jul 25]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2023 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK526019/
Wobser, A.M., Adkins, Z. and Wobser, R.W. Anatomy, Abdomen and Pelvis: Bones (Ilium, Ischium, and Pubis) [Updated 2022 Jul 25]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2023 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK519524/
