闭孔沟
Sulcus obturatorius
定义
位于耻骨上支下面的闭孔沟，构成闭孔上缘的一部分。
闭孔由闭孔膜封闭，闭孔膜附着于闭孔的边缘，但闭孔沟区域除外。闭孔膜在闭孔沟区域的缺如形成了一条通道，称为闭膜管。盆腔内的闭孔血管和神经经此管穿过闭孔，进入大腿内侧收肌间隙。
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. 1342-1343.
Drake, R.L., Vogl, A.W. and Mitchell, A.W.M. (2009). ‘Chapter 5: Pelvis and Perineum’ in Gray’s anatomy for Students. (2nd ed.) Philadelphia PA 19103-2899: Elsevier, pp.423.
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/
