X-Message-Number: 26345
From: "Basie" <>
Subject: For Anthony
Date: Thu, 16 Jun 2005 22:11:30 -0400

Step 1. Before an embryo can be frozen, all the water that it contains must 
be removed. Since water expands in size as it turns to ice, water inside the 
embryo would burst (kill) the embryo if we simply placed it in the freezer. 
To prevent the embryo from shriveling as the water is extracted, we replace 
the water with antifreeze. Antifreeze is a solution that does not expand in 
size when it freezes. The embryo is cooled to room temperature as the water 
is replaced with antifreeze.

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