Re: pus

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From:Jeff Silverman <> (by way of histonet)
To:histonet <>
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Hal and Netters;
Not only is pus green, but granulocytic sarcomas or chloromas are also
green on the gross so it must be the myeloperoxidase. Also, why don't we
just change the subscribe and unsubscribe to "sign on" and "sign off".  Of
course, then we'd probably get messages like "sing on" or "sign of"
:>]. Just kidding.
Jeff Silverman
> From: Hawkins, Hal <hhawkins@SBI.UTMB.EDU>
> To: 'HistoNet Server' <>
> Subject: pus
> Date: Thursday, January 21, 1999 3:09 PM
> I would like to ask the group to try to clarify a question for me:
> Why is pus green?
> A medical student just called to ask me to clarify my comment
> that membranes affected by acute inflammation, as in acute
> chorioamnionitis, have a greenish color because of the presence
> of myeloperoxidase.  Does development of the green color
> require proteolysis or oxidation of a heme group, or does fixation
> bring out the green as it does with bilirubin?  Is there a reference
> I can cite, or is this strictly in the realm of lore?  Thanks,
> Hal Hawkins
> UTMB Galveston

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