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Harrison's groove



A Harrison's groove is a horizontal line at the lower margin of the thorax where the diaphragm attaches to the ribs. It appears in rickets because the patients lack the mineralized calcium in their bones necessary to harden them; thus the diaphragm, which is always in tension, pulls the softened bone inward.

 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Harrison's_groove". A list of authors is available in Wikipedia.
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