The tissue probably is incompletely infiltrated and absorbs humidity.
René J.

--- On Wed, 10/1/08, Gudrun Lang  wrote:

From: Gudrun Lang 
Subject: [Histonet] tissue swelling out of block
To: histonet@lists.utsouthwestern.edu
Date: Wednesday, October 1, 2008, 1:16 PM

Hi all,

a friend recently got a job in a veterinary histo and has some troubles in
cutting. He tells about paraffinblocks, where the tissue is swelling out
while warming like a small hill.  I referred to the possibilty of taking up
humidity that causes swelling. 

Do you know other causes for this problem?

 

Thanks in advance

Gudrun Lang

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