A vein is a blood vessel that transports blood back to the heart.
Word in 30 Seconds
- A vessel carrying blood back to the heart.
- Essential for medical procedures like IV drips.
- Usually contains deoxygenated blood.
Overview
- 1概述：静脉（Vein）是解剖学中的基础术语，指引导血液回流至心脏的血管系统。在人体生理中，静脉与动脉（Artery）共同构成了完整的循环回路。静脉内分布有瓣膜，用以防止血液倒流。2) 使用模式：在日常生活中，“静脉”常出现在医学检查、护理及健康描述中，例如“静脉注射”或“静脉曲张”。它是一个中性词，既可用于专业医疗语境，也适用于日常健康交谈。3) 常见语境：最常见的语境包括医院的抽血、输液（静脉点滴），以及健身或运动后观察到的皮肤表面突起的血管。此外，在描述人体结构时，它也是不可或缺的词汇。4) 近义词辨析：与“动脉”相对，动脉是将血液从心脏泵出到全身的血管。在口语中，人们有时会混淆“血管”（Blood vessel，泛指所有血管）与“静脉”，需注意静脉是血管的一种具体分类。
Examples
医生在我的静脉里注射了药物。
everydayThe doctor injected medicine into my vein.
该手术旨在修复受损的下肢静脉。
formalThe surgery aims to repair the damaged lower limb veins.
你看，我手背上的静脉很明显。
informalLook, the veins on the back of my hand are very visible.
静脉系统在维持人体血压平衡中起着关键作用。
academicThe venous system plays a critical role in maintaining blood pressure balance.
Common Collocations
Common Phrases
静脉点滴
IV drip
深静脉血栓
Deep vein thrombosis
静脉穿刺
Venipuncture
Often Confused With
Arteries carry blood away from the heart and usually have thicker walls. Veins carry blood back to the heart and have valves.
A general term for any vessel that carries blood, including arteries, veins, and capillaries. Vein is a specific type of blood vessel.
Grammar Patterns
How to Use It
Usage Notes
The word is used in both clinical and casual settings. It is a neutral, scientific term. When speaking to doctors, use it precisely to describe symptoms.
Common Mistakes
Beginners often confuse 'vein' with 'artery'. Also, some learners mistakenly use 'vessel' (血管) when they specifically mean 'vein' (静脉). Always distinguish between the two for medical accuracy.
Tips
Visualize the blood flow direction
Remember that veins always return blood to the heart. Think of them as the 'return path' in the body's highway system.
Don't confuse with arteries
Never use 'vein' when referring to blood leaving the heart. Arteries are for output, veins are for input.
Medical terminology in daily life
In Chinese culture, people often refer to 'veins' when discussing health or TCM (Traditional Chinese Medicine) pulse reading. Understanding this term helps in basic medical interactions.
Word Origin
Derived from Latin 'vena', meaning blood vessel. It has been used in medical anatomy for centuries to describe the return path of the circulatory system.
Cultural Context
In Chinese medical culture, the distinction between veins and arteries is well-known due to the prevalence of IV therapy in hospitals. It is a very common word in daily healthcare discussions.
Memory Tip
Think of 'Vein' as 'V-in', where blood is 'coming in' back to the heart. This mnemonic helps recall the direction of flow.
Frequently Asked Questions
4 questions静脉中的血液含氧量较低，颜色较暗。光线穿过皮肤时，由于光的散射和吸收作用，静脉在视觉上呈现出蓝色或青色。
静脉负责将血液送回心脏，而动脉负责将血液带离心脏。此外，静脉管壁较薄且内有瓣膜，动脉则管壁厚且富有弹性。
静脉注射是指将药物直接通过针头注入静脉血管，以便药物能迅速通过血液循环到达全身。这种方式常用于急救或需要快速起效的治疗。
静脉曲张是由于静脉瓣膜功能不全导致血液淤积，初期可能仅影响美观，但若不加干预可能引发炎症或溃疡。建议咨询医生进行专业诊断。
Test Yourself
护士将针头准确地插入了病人的___中进行输液。
输液通常是通过静脉进行的，因为静脉更容易接近且压力较小。
下列关于静脉的说法正确的是：
静脉的主要功能是血液回流，且管壁较薄，内部有瓣膜防止倒流。
静脉 / 血液 / 回 / 运送 / 到 / 心脏
这是描述静脉生理功能最标准的表达方式。
Score: /3
Summary
A vein is a blood vessel that transports blood back to the heart.
- A vessel carrying blood back to the heart.
- Essential for medical procedures like IV drips.
- Usually contains deoxygenated blood.
Visualize the blood flow direction
Remember that veins always return blood to the heart. Think of them as the 'return path' in the body's highway system.
Don't confuse with arteries
Never use 'vein' when referring to blood leaving the heart. Arteries are for output, veins are for input.
Medical terminology in daily life
In Chinese culture, people often refer to 'veins' when discussing health or TCM (Traditional Chinese Medicine) pulse reading. Understanding this term helps in basic medical interactions.
Examples
4 of 4医生在我的静脉里注射了药物。
The doctor injected medicine into my vein.
该手术旨在修复受损的下肢静脉。
The surgery aims to repair the damaged lower limb veins.
你看，我手背上的静脉很明显。
Look, the veins on the back of my hand are very visible.
静脉系统在维持人体血压平衡中起着关键作用。
The venous system plays a critical role in maintaining blood pressure balance.
