KatWood
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Can anyone tell me what's the difference between physiological and anatomical variation? Or some examples.... I'm very confused....
Thankyou....
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Puddles the Monkey
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(Original post by KatWood)
Can anyone tell me what's the difference between physiological and anatomical variation? Or some examples.... I'm very confused....
Thankyou....
Heya, just going to pop this in the Biology forum for you as you should get more responses there!

You should also check out the forum to see if there's any other threads there which might be helpful to you! http://www.thestudentroom.co.uk/forumdisplay.php?f=129
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Dynamo123
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(Original post by KatWood)
Can anyone tell me what's the difference between physiological and anatomical variation? Or some examples.... I'm very confused....
Thankyou....
An anatomical variation is a variation in any structure/organ in the human body that affects the shape, movement, morphology and in short, anatomy of the subject. An example of an anatomical variation is the position of division of the sciatic nerve into its two branches in the thigh, which are the tibial and the common fibular (or peroneal) nerve. This division may take place anywhere from the back of the thigh, to the upper border of the popliteal fossa. This is an anatomical variation, and as such has no relation to the function of the sciatic nerve or its branches. It just varies among different subjects.

A physiological variation, on the other hand, is a variation that affects the function or the physiology of an organ. For instance, in athletes, the heart rate gets low, and may fall to 40 bpm. In normal people this would be considered low heart rate, and a cause for concern, but in athletes, this is normal (technically speaking, this is a physiological adaptation, not a variation. I can't think of a variation right now.
I hope that helps
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shonakate11
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(Original post by KatWood)
Can anyone tell me what's the difference between physiological and anatomical variation? Or some examples.... I'm very confused....
Thankyou....


Physiological is the chemical make up of an organism and anatomical is what you would see it you dissected it!
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