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#1
Old 03-30-2004, 11:01 AM
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Why Does The Left Testicle Preferentially Hang Below The Right?

Human males usually have one testicle that hangs a bit lower than the other, with an average difference in elevation of perhaps 1-2 centimeters. A simple experiment utilizing two eggs and a tube sock will demonstrate that this is in fact the typical configuration, as this arrangement would be at a lower energy state than an arrangement with the 2 testes at the exact same elevation.

But why is it that in a given male, it is always the *same* testicle that hangs lower? You couldn't make the other testicle hang lower on its own if you tried.

And even more puzzling, why is it that, in humans, the *left* testicle tends to hang lower than the right? Why shouldn't the odds for which testicle is lower be exactly 50/50??

Thanks.
#2
Old 03-30-2004, 11:33 AM
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I learned this in 6th grade and I'm glad I can answer it for you. It's because as your testicles get bigger if they both were at the same height and one didn't hang lower they would crush each other so during puberty one of your testicles drops lower than the other one.
#3
Old 03-30-2004, 11:38 AM
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Quote:
Originally Posted by Surreal
And even more puzzling, why is it that, in humans, the *left* testicle tends to hang lower than the right? Why shouldn't the odds for which testicle is lower be exactly 50/50??
WAG time, but with some background anyway. In the developing embryo the testes start out near the kidneys. The right kidney is further cranial (toward the head) than the right. Each teste ends up in the scrotum, however the left has a shorter distance to travel.

In support of this, when one of the two testes fail to reach the scrotum it is statistically more common that the right is the one which fails to descend. At least in dogs and cats.
#4
Old 03-30-2004, 12:16 PM
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I was told in sex ed that it's so they don't knock into each other.

For the record, I'm left-handed and my right nut is lower. So far as I can tell without creeping out my office-mates, anyway. I'll amend if necessary once I go to the can.
#5
Old 03-30-2004, 04:28 PM
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A number of times, I have been told or read that in left-handed people, the right one typically hangs lower, but I have never been able to confirm this by research or experiment - I even started a thread about it way, way back, which (IIRC) was not entirely conclusive.
#6
Old 03-30-2004, 04:43 PM
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The 'Which testicle hangs lower in left-handed men?' question is unresolved as far as I can tell from my scan of the available literature.

http://thenakedscientists.com/Ot...lAsymmetry.pdf

"Chang et al (1960) found that the right testis was the higher in 62.1% of 486 men, and the left testis higher in 27.4%, the two being equal in height in the remaining 10.5%. Antliff and Shampo (1959) found an essentially similar result in 386 men, the right testis being higher in 65.1% and the left higher in 21.9%. The two sets of authors differ in their findings as to the effect of handedness, Chang et al claiming that the relationship is reversed in left-handers, whilst Antliff and Shampo found no such reversal. There is also evidence that in the bull the right testis tends to be the higher of the two."
#7
Old 03-30-2004, 08:36 PM
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I love the SDMB.
#8
Old 03-30-2004, 10:02 PM
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Does the same thing hold true with women's breasts?

A friend told me her right breast was smaller than the left, but maybe shes a freak.


-PK
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#9
Old 03-30-2004, 10:05 PM
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The proper term is "dress". A gentleman who dresses left is "lower" on the left, likewise contrariwise. In an earlier day, when tailoring was more precise to the body, this was an important thing for a gentleman of quality--or at least his tailor--to know about himself.
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#10
Old 03-30-2004, 10:14 PM
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Quote:
Originally Posted by Dogface
The proper term is "dress". A gentleman who dresses left is "lower" on the left, likewise contrariwise.
I'd always heard that this term referred to whether the penis hung left-ish or right-ish.
#11
Old 03-30-2004, 10:26 PM
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Freddie Mercury wore his on the left.

Just thought you should know.

FTR, right-handed...right..um..lower.
#12
Old 03-30-2004, 11:39 PM
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Quote:
Originally Posted by KarmaComa
For the record, I'm left-handed and my right nut is lower. So far as I can tell without creeping out my office-mates, anyway. I'll amend if necessary once I go to the can.
I'm left-handed yet my left gonad descends further than the right. Perhaps that is because I swing er bat right.

Actually I think it may have something to do with size. The heavier the ball, the further it can stretch te conective tissue within the scrotum
#13
Old 03-14-2005, 07:38 PM
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Jonathan Chance: In a thread about testicles, you should never have a link in your signature entitled "Meet the Kids".



Just thought I'd share.
#14
Old 03-14-2005, 07:57 PM
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CynicalGabe. This thread was a year old. If you were opening it to add information about the OP, that's OK.

What isn't OK is opening a very old thread to make a drive by.

Closed. samclem GQ moderator
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