左前降支动脉

左前降支动脉（left anterior descending artery，LAD）又称左冠状动脉前室间支、前降支，是左冠状动脉的分支，为供应心脏的一条重要血管^[1]。

左前降支动脉
Sternocostal surface of heart. Anterior descending branch labeled at upper right
基本信息
位置	心脏
来源	左冠状动脉
分支	septals, diagonals
供应范围	心脏前外侧心肌、心尖、心室中膈（英语：interventricular septum），以及左心室的45-55%
标识字符
拉丁文	ramus interventricularis anterior arteriae coronariae sinistrae
缩写	LAD
TA98	A12.2.03.202
TA2	4143
FMA	FMA:3862
格雷氏	p.547
《解剖学术语》 [在维基数据上编辑]

附加图像

• 
  Coronary arteries (labeled in red text)
• 
  The arch of the aorta, and its branches.
• 
  Heart attack
• 
  Cardiac vessels
• 
  Human heart with coronary arteries
• 
  Heart coronary territories

参考文献

本条目包含来自属于公共领域版本的《格雷氏解剖学》之内容，而其中有些信息可能已经过时。

1. Topol, Eric J.; Califf, Robert M. Textbook of Cardiovascular Medicine. Lippincott Williams & Wilkins. 2007: 283 [6 November 2014]. ISBN 9780781770125. The most worrisome type is the proximal left anterior descending (LAD) MI, often referred to as the widow-maker infarction, which carries a high mortality and is attributed to an occlusion of the LAD before or at the first septal perforator.

外部链接

• 人体解剖学在线（英语：SUNY Downstate Medical Center）（Human Anatomy Online）网站上的相关图片：20:09-0102 - "Heart: The Left Coronary Artery and its Branches"
• Anatomy figure: 20:03-08 at Human Anatomy Online, SUNY Downstate Medical Center - "Anterior view of the heart."
• 168165435 于 GPnotebook