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Medula Oblongata
11-14-2006, 05:54 PM
I have noticed that at anytime there are twice as many lurkers as members on the forum..

I have also noticed that many of the sections will go un-updated for weeks (sometimes months) at a time.

Why is this? Is there nothing of interest to comment upon, or have you people no opinion?

Many other forums with 1/3rd as many members have dozens of active threads with much lively conversation..

What I'm saying is... Open your mouths (or type on your keyboard, as appropriate) and say something!!!

Sweet Zombie Jebus! Its like a cemetary on this board sometimes...

Ginnunggap
11-14-2006, 06:28 PM
I'd post more often, but I'm not really knowledgeable and I'm not that interesting :) . I just appreciate the wisdom y'all provide and the humor, too.

Medula Oblongata
11-14-2006, 06:35 PM
Why do you think you're not interesting?

tomrowelljr
11-14-2006, 07:11 PM
Tell me about your father...(with slight German accent)

Ginnunggap
11-14-2006, 07:21 PM
Why am I not interesting? Well, right about now I'm just a med student. I look at books, slides, and cadavers all week. That's enough to put some folks to sleep, and I'm not even studying in anaesthesia! For example, I actually said the words, "Freyn's book on metabolism is a really interesting read," today :o. You know you're boring when you say something like that :p

Until I get into the wards and start dealing with patients, life's gonna be pretty dull. But, since my school is affiliated with a level I trauma facility and major public hospital, things ought to be more exciting then.

Really, the big reason I don't post is that, compared to a lot of you, I don't have that much experience (practical or theoretical) with firearms and I'm new to the FiveseveN in particular.

Heck, you're right though, all of us lurks ought to post more.

Medula Oblongata
11-14-2006, 07:31 PM
I'll make you a deal.

You answer the stupid qustions that I have, and I'll answer the stupid questions that you have...

I'll start. What causes the Corpus Cavernosa to become so firm? Blood pressure is realtively low pressure, so what causes the firmness that is so much greater than the pressure that the blood could exert? Serious question.

btown02
11-14-2006, 07:37 PM
Usually the sight of a pair of naked nice firm breasts will get it started. :)

Medula Oblongata
11-14-2006, 07:47 PM
Hmmmm.. Yeah, but my question was how is the tissue so firm when blodd pressure is so relatively low... I agree on the starting point though.. :MM

Ginnunggap
11-14-2006, 08:27 PM
Hah, first, I agree with btown02. Second, MO, your timing is great. We're just covering that stuff this block, so thanks for the practice!

Essentially, the superficial and deep transverse perineal muscles flex to provice a firm base for subsequent... activity. from there, the bulbospongiousus muscles constrict preventing outflow of blood from the dorsal vein and then compress the spongy tissue, increasing pressure on the compartment. In addition to blood flow entering the corpora cavernosa and compression of the spongy tissues at the proximal end of the cavernosum by the bulbospongiosus, the ischiocavernosus muscles at the root actively squeeze more blood from the proximal cavernous spaces of the cura into the distal corpora cavernosa. So, it's not just blood pressure but striated muscle squeeze that causes the rigidity.

Medula Oblongata
11-14-2006, 08:35 PM
Believe it or not I understood every word you wrote.

Also believe it or not, I have asked that question of a dozen practicing physicians, including a thorasic surgeon and a cardiologist, and have never recieved a response other than, "I don't really recall.."

Here's another dumb question. What is the actual "pressure" in psi or kpa of blood while its being pumped? The only answers I have ever recieved were in "inches of mercury.." I'm curious as to the actual dynamic pressure.

But fair is fair, what question do you have of me?

Ginnunggap
11-14-2006, 08:47 PM
I do believe you understood what I said (you called it a corpus cavernosum, which kinda told me you knew exactly what you were talking about :))

I also believe that practicing physicians wouldn't remember. I only knew it 'cause I literally read about it yesterday :D

Okay, dumb question: I've been told that it gets so cold up in Nebraska that during the winter some trees actually explode because their sap freezes. Is that true? What's the coldest you've ever seen it?

And, as for your psi question, a BP of 120mmHg/80mmHg would be equivalent to 2.32psi/1.55psi.

jmz5
11-14-2006, 09:42 PM
I have never seen a tree explode or the remains of an exploded tree, and it gets pretty cold here.

p99guy
11-15-2006, 01:25 AM
I used to live in Nebraska, a little farming community named Stratton, in the SW corner of the state...While there was snow drifts as tall as our house, there were no exploding trees or talk of any.

Medula Oblongata
11-15-2006, 03:11 AM
Exploding trees... Hum... Yes it happens, but not here (at least not from ice storms, if you know what I mean..)

Years ago I was stationed in Alaska, quite near Mt. McKinley. There, late at night, when it was 60 degrees below zero, you would occaisonally hear an evergreen explode. However it typically happened after a warm spell (hence the tree sap moved from the roots into the trunk, then froze suddenly) where an arctic freeze suddenly happened.

Unfortunately I never took any photos, but the trees were quite destroyed. The coldest its ever been here, at my house, is about 30 below when an artic airflow suddenly hit the plains. Not much snow, but bitterly cold. One of my horses froze to death in about 10 minutes when he got spooked and somehow made it out of the barn.. Before I could get my shoes and coat on, he was dead...



Practicing physicians tend to get lazy, unfortunately, because "they already know everything..." I know, my mother was an OB GYN until she surrendered her license in order to open a natural birthing clinic in California at a time when midwifery was majorly illegal... The pompousness and arrogance of some of the "healers" that cried out about her was astounding..

Best regards!

Ginnunggap
11-15-2006, 01:39 PM
Thanks for the info! Now I know that it's possible, but not likely in the lower 48 states :)

Sorry to hear about your horse. To freeze to death in 10 minutes is incredible. I'm glad I live in a warm place now.

I agree that there are a lot of arrogant doctors. The worst, frequently, are the most "eminent." They tend to forget that there remains much to learn and that they can be wrong.