Mucus

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mith
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Mucus

Post by mith » Tue Nov 29, 2005 3:57 am

This might be slightly gross, but what gives mucus it's colors?
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Navin
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Post by Navin » Tue Nov 29, 2005 3:45 pm

Mucus seems to get more yellow when a person is infected. Perhaps the bacteria gives that colour. Otherwise, isn't mucus transparent?
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Post by Bio-Hazard » Tue Nov 29, 2005 5:22 pm

Light... 8)

My guess is protein and perhaps some chemical/atom attachment (or detachment).

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Post by sdekivit » Tue Nov 29, 2005 9:05 pm

what do you mean with 'color' --> the natural color (which is influenced by for example a bacterial infection) or after staining in the microscope (PAS-staining)

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Post by mith » Tue Nov 29, 2005 9:58 pm

natural color, i've seen green and yellow and brownish stuff that i cough up when i'm sick.
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Post by BiologyIs4Life » Tue Nov 29, 2005 10:15 pm

oh my! Are we describing arrays of colours to one another over here?! loool.... but I really wonder...does mucus actually do its job and protect us or no..?!

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Post by MrMistery » Wed Nov 30, 2005 7:56 pm

well, without mucus in your nose you wouldn't be able to smell and your pepsine would digest you
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mith
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Post by mith » Thu Dec 01, 2005 12:43 pm

so does the mucus color reflect the impurities caught in it or a chemistry change in the body that becomes indicated by the secretions?
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Post by MrMistery » Thu Dec 01, 2005 8:14 pm

Both influence the color.
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Post by BiologyIs4Life » Sat Dec 03, 2005 2:11 am

MrMistery wrote:well, without mucus in your nose you wouldn't be able to smell and your pepsine would digest you


What's the significance of mucus for your sense of smell?! :lol: ?

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Post by victor » Sat Dec 03, 2005 1:42 pm

I can say that the color of infected mucus (because I study the orthomyxo-flu-virus) is because of the virus' protein....the envelope of the virus have two types of glycoprotein called HA (hemaglutinase) and NA (neuroaminidase).
This NA glycoprotein can affect the mucus's viscosity level drop down and maybe indirectly because of the interaction between NA and mucus causing the mucus coloured yellow or green....
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Post by MrMistery » Sat Dec 03, 2005 3:52 pm

@BiologyIs4Life
The smell mucous membrane is coverd by a very thin layer of mucus. For you to smel something, it has to first disolve in that layer of mucus and only then it can bind to the receptors on the bipolar neurons that act as receptors for the sense of smell...
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