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JoVE Core
Anatomy and Physiology
下肢静脉
下肢静脉
JoVE Core
Anatomy and Physiology
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JoVE Core Anatomy and Physiology
Veins of Lower Limbs

24.34: 下肢静脉

2,595 Views
01:15 min
July 18, 2024
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Please note that some of the translations on this page are AI generated. Click here for the English version.

Overview

人体由一个错综复杂的静脉网络组成,负责从下肢引流血液的关键任务。这些静脉可分为两种主要类型:深静脉和浅静脉。

胫后静脉由足底内侧静脉和外侧静脉汇合而成,通过小腿肌肉上升,同化腓静脉。胫前静脉是足背静脉的上延伸,在膝盖处与胫后静脉汇合,形成位于膝盖后部的腘静脉。当它离开膝盖时,腘静脉转变为股静脉,负责引流大腿的深层结构。进入骨盆后,股静脉演变成髂外静脉。然后,这条静脉与髂内静脉结合形成髂总静脉,其分布模式类似于髂内动脉的分布模式。

另一方面,浅静脉更靠近身体表面。大隐静脉和小隐静脉起源于足部的背静脉弓。它们在整个过程中经常相互联系,并与深部矿脉相互连接。大隐静脉是人体最长的静脉,沿着腿部内侧向上延伸到大腿,在那里它流入腹股沟韧带附近的股静脉。小隐静脉穿过足部的外侧和小腿肌肉的深筋膜,最终流入膝盖处的腘静脉。

Transcript

下肢的血液由浅静脉和深静脉排出。

由足底内侧静脉和外侧静脉汇合形成的深静脉,例如胫后静脉,在小腿肌肉中上升并加入腓静脉。

胫前静脉是足背静脉从足部延续的,在膝盖处与形成腘静脉的胫后静脉汇合。

腘静脉过渡到股静脉,有效地引流大腿的深部结构。

浅静脉包括起源于足背静脉弓的小隐静脉和大隐静脉。

小隐静脉沿外侧延伸,引流小腿肌肉并排空到腘静脉。

大隐静脉沿着腿部行进到大腿,排入股静脉。

进入骨盆后,股静脉继续作为髂外静脉。这条静脉与髂内静脉汇合,形成髂总静脉,最终流入下腔静脉。

Explore More Videos

静脉 下肢 引血 深静脉 浅静脉 胫后静脉 胫前静脉 腘静脉 股静脉 髂外静脉 髂内静脉 髂总静脉 大隐静脉 小隐静脉 背静脉弓

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