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Article #75

Question about Hypothetical Type of Thermal Injury. Explained

#75
From: Radium
Date: Thu, 15 Dec 2005 05:31
59 lines
4116 bytes
Hi:

I asked this question before but the way I asked obviously made readers
misunderstand my question.

Lets say I was somehow invincible. Totally physically-invincible to all
injuries excluding flame burns to the skin resulting from direct
contact with flames. Lets say that the only molecules affected in my
skin were proteins. Lets say that the denatured proteins in my
thermally-injured skin did not coagulate [somehow the hydrophobic cores
are protected]. Lets say that no inflammatory reaction occurred. Lets
also say that no infection occurred. In addition, nerves, blood
vessels, sweat glands, oil glands, lymph nodes, hair roots, dermal
muscles [e.g. erector muscles under hairs], and hairs are somehow
totally protected from the thermal injury. Lastly, lets also say that
the organic molecules in my skin did not carbonize* [due to protection
of the carbon-carbon bonds as well as the carbon-x bonds; x standing
for the other element attached to carbon].


*carbonize = when an organic substance is heated to a certain
temperature or above in the absence of adequate oxygen [for
oxidization] that substance turns smokes and turns black. It leaves
smoke, char, and ash behind. If heated to a sufficient temperature or
beyond in the PRESENCE of adequate oxygen, the organic substance will
oxidize but not carbonize.


Lets I suffered a flame burn [due to direct contact with open flame]
which totally denatured all proteins molecules in my epidermis and
dermis [excluding nerves, blood vessels, sweat glands, oil glands,
lymph nodes, hair roots, dermal muscles [e.g. erector muscles under
hairs], and hairs]. In addition, no the burn did not extend anywhere
below the dermis [only epidermis and dermis are affected] what symptoms
would I experience? What color would my skin change to?

Here is what I think would happen. I am dark-skinned. I think that my
skin would turn white due to denaturing of the pigment proteins. I am
not sure about how much pain I would feel. Since the nerve endings are
NOT damaged I imagine I would be in excruciating pain. But then once
all the skin cells are totally dead then they would stop secreting
chemicals that would stimulate my nerve endings. Would this stop the
pain? After all, dead cells can't secrete the substances necessary to
cause pain.

The question about pain confuses me. As far as color, as I said before,
I think the injured skin would appear white. Not red because blood
vessels are not affected and in addition, there is no inflammatory. Not
black, because there is no carbonization.

Note: I have no actual application for this question. I am just in it
for the science.

Any assistance would be appreciated 


Thanks, 

Radium
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From: "Radium" <glucegen1@excite.com>
Newsgroups: sci.med.pathology,bionet.molbio.proteins,sci.physics,sci.chem,sci.med
Subject: Question about Hypothetical Type of Thermal Injury. Explained
Date: 14 Dec 2005 21:31:59 -0800
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