From the case:
Echinococcus granulosus - scolex (photo)
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Echinococcus granulosus scolex
Image from wikimedia commons. Original file: http://commons.wikimedia.org/wiki/Image:Echinococcus_granulosus_scolex.jpgThis image is a work of the Centers for Disease Control and Prevention, part of the United States Department of Health and Human Services, taken or made during the course of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain.