HES.jpg (252 × 219 pixels, file size: 28 KB, MIME type: image/jpeg)
Image of human embryonic stem cell. This cell has the potential to become any type of cell in the human body after specialization.
Original image: National Institutes of Health (NIH)
Image is free to use because it has "© National Institutes of Health (NIH) copyright" marking which according to their website can be used freely.
From the NIH wibsite, their FAQ:
Is the content on our Website copyrighted or free to use?
Most of the information on our site is in the public domain and can be used without charge or restriction. Photos belonging to NIH can be used freely; others on the NIH website that have been marked as belonging to a third party cannot be used.
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|current||04:38, 23 September 2009||252 × 219 (28 KB)||Z3187802||Image of human embryonic stem cell|