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Vasa

vasa

(Science: molecular biology) drosophila gene involved in oogenesis and embryonic positional specification, a dEAD box helicase.


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Loop of Henle and Vasa Recta

Sorry I was a little unclear on the first bit! As the solution descends the loop of henle it loses water to the vasa recta, causing its concentration to rise to meet the very hypertonic osmolarity of the interstitial fluids in the renal medulla (so it gets concentrated and stays ...

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by Babybel56
Wed May 11, 2011 6:07 pm
 
Forum: Human Biology
Topic: Loop of Henle and Vasa Recta
Replies: 3
Views: 12278

Re: Loop of Henle and Vasa Recta

... i kinda still dont understand, as I though descending loop of henle is permeable to water and it looses water and the water probably goes into the vasa recta? so how would that be possible that vasa recta then looses the salt? or does loop of henle donate the water to medulla so vasa recta that ...

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by snezka18
Wed May 11, 2011 5:55 pm
 
Forum: Human Biology
Topic: Loop of Henle and Vasa Recta
Replies: 3
Views: 12278

Loop of Henle and Vasa Recta

On the descending loop the vasa recta removes NaCl and urea from the Loop of Henle whilst donating water back (about 20% of reabsorbed water has it done here). This creates a high Na+ concentration where it's needed in the medulla of the ...

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by Babybel56
Sat May 07, 2011 3:06 pm
 
Forum: Human Biology
Topic: Loop of Henle and Vasa Recta
Replies: 3
Views: 12278

Loop of Henle and Vasa Recta

I am a bit confused...what is the connection between loop of henle and vasa recta, doesnt vasa recta take away the NaCl and probably needs to take water as well...its weird it provides the blood and it also drains the blood... Where is the sense in that? what ...

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by snezka18
Sat May 07, 2011 10:04 am
 
Forum: Human Biology
Topic: Loop of Henle and Vasa Recta
Replies: 3
Views: 12278

Why isn't injection given into artery rather than vein?

There are 2 reasons for this : 1) the artery is highly sensative as it is supplied by vasa vasorum branches from nerves ,so when you inject someone in artery he will yell and cry from pain. 2) the injection will be resisted by the high arterial pressure , you may ...

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by raghda
Fri Oct 05, 2007 11:59 pm
 
Forum: Human Biology
Topic: Why isn't injection given into artery rather than vein?
Replies: 6
Views: 5662
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