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冠狀動脈

冠状动脉
冠状动脉(以红色文字标示)
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解剖學術語

冠状动脉(coronary artery)简称冠脉,是向心脏供血的动脉,有左、右冠状动脉,均自主动脉根部的主动脉窦发出。左、右冠状动脉及其分支供应的血管垂直于心脏表面,从心外膜贯穿心肌,向下达心内膜[1]

冠状动脉属冠脉循环的一部分,它将含氧的血液输送到心肌。心脏需要持续的氧气供应才能運轉[2]

冠状动脉环绕整个心脏,冠状动脉的两个主要分支是左冠狀動脈右冠状动脉英语Right coronary artery[3]

如果冠状动脉出現狀況会导致流向心脏的氧气和营养物质减少。这不仅会影响心肌本身,还会影响心脏将血液輸送到全身的能力。因此,冠状动脉的任何紊乱或疾病都会对健康产生严重影响,可能导致心绞痛心肌梗死,甚至死亡[4]

参考文献

[编辑]
  1. ^ Tran DB, Weber C, Lopez RA. Anatomy, Thorax, Heart Muscles. [Updated 2024 Jun 22]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK545195/
  2. ^ Coronary Arteries. Texas Heart Institute. [2019-09-01]. (原始内容存档于2021-10-29) (美国英语). 
  3. ^ Petersen, J. W.; Pepine, C. J. Microvascular Coronary Dysfunction and Ischemic Heart Disease – Where Are We in 2014?. Trends in Cardiovascular Medicine. 2014, 25 (2): 98–103. PMC 4336803可免费查阅. PMID 25454903. doi:10.1016/j.tcm.2014.09.013. 
  4. ^ Anatomy and Function of the Coronary Arteries. www.hopkinsmedicine.org. [2019-09-01]. (原始内容存档于2021-11-20) (英语). 
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冠狀動脈
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