Dictionary » V » Vein

Vein

vein

1. Blood vessel that returns blood from the microvasculature to the heart, walls thinner and less elastic than those of artery.

2. In leaves, thickened portion of leaf containing vascular bundle, the pattern, venation, is characteristic for each species.


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Re: Can Systolic BP ever be less than Diastolic?

... however that systolic is only a bit higher than diastolic blood pressure, but never lower! When heart expands it pushes the blood out into vein/artery system, so the pressure rises as the blood must move from one location to another and since arteries are elastic, they expand to compensate ...

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by teju85
Wed Nov 13, 2013 10:48 pm
 
Forum: Human Biology
Topic: Can Systolic BP ever be less than Diastolic?
Replies: 5
Views: 1813

Help please! case study about Excretory System

... Physical examination Vital signs: BT 37 °C (37-37.5), PR 96 /min (80-100), RR 36 /min (25-30) BP 150/90 mmHg HEENT : pale conjunctivae, neck vein engorged Heart : regular rhythm, normal heart sound. Lungs : fine crepitation at both lungs. Abdomen : ascites was positive. Extremities : pitting ...

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by kochibaza
Mon Jan 21, 2013 3:04 pm
 
Forum: Human Biology
Topic: Help please! case study about Excretory System
Replies: 1
Views: 2578

Re:

When it is in the viens it is a deeper red purple but the blue you see is the outer lining of the vein. By the way inuyasha is the best!! :wink: inuyasha is the best

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by mustachemanwashere
Wed Oct 31, 2012 11:24 pm
 
Forum: Human Biology
Topic: The Color of blood
Replies: 50
Views: 309994

I need help about cardiovascular system.

... is higher pressure due to lung compression - in the adult it is lower pressure. (True) 2/ The placenta provides O2 and nutrition to the umbilical vein. (False) 3/ the fastest pacemakers are found in the left atrial wall (F) 4/ The left ventricular wall is thicker than the right one because it ...

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by kingofgameyg
Wed Apr 18, 2012 3:11 am
 
Forum: Human Biology
Topic: I need help about cardiovascular system.
Replies: 2
Views: 1811

Re: 6 fingers

... and you also do not know how to perform surgery (that's why doctors go to school for many years so that they can learn properly). You could cut a vein or an artery and then you would be in big trouble...not to mention that doctors don't just cut off parts like that. There is a fine technique that ...

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by HelpPleaseThankYou
Wed Feb 29, 2012 9:16 am
 
Forum: Genetics
Topic: 6 fingers
Replies: 3
Views: 3496
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