rat dissection

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smiley
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rat dissection

Post by smiley » Sun Jun 12, 2005 6:21 am

hi! we've been doing a rat dissection in bio class and i don't know the answer to this question: "how many lobes does each lung have and why does this difference occur?". i've researched it everywhere but i can't find the answer! can anybody help? thanks!! :D

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MrMistery
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Post by MrMistery » Sun Jun 12, 2005 12:16 pm

Ok, so i do not know how it is for a rat but i know that they resemble very much with humans. Here it is in humans:
The right lung has 3 lobes, the left lung has 2 lobes. This is becuase the heart is orientated towards the left
Hope this is accurate. Let me know if i was right
Regards,
Andrew
"As a biologist, I firmly believe that when you're dead, you're dead. Except for what you live behind in history. That's the only afterlife" - J. Craig Venter

nolan
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Re: rat dissection

Post by nolan » Tue Feb 07, 2006 6:52 pm

smiley wrote:hi! we've been doing a rat dissection in bio class and i don't know the answer to this question: "how many lobes does each lung have and why does this difference occur?". i've researched it everywhere but i can't find the answer! can anybody help? thanks!! :D

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cardiorrhexis
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Nolan...

Post by cardiorrhexis » Wed Feb 08, 2006 3:16 am

Hi....

One lobe on the left and four lobes on the right....there is an accesory lobe, although it may sit closer to the left side, is actually part of the right lung.

So there's a Cranial, Middle, Caudal and Accessory lobe which make up the Right lung, and the left lung does not have multiple lobes.

Were you able to locate them during your dissection?

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Dr.Stein
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Post by Dr.Stein » Wed Feb 08, 2006 5:53 am

Hey thanks for the info, I never learn the pulmo this detail :)
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