File:Narwhal tusk tubule.jpg

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Summary[edit]

Description
English: A close-up of a tubule reveals a cave-like opening ultimately leading to inner nerves along the tusk core. (Magnified 10,000 times)
Source National Institute of Standards and Technology
Author Frederick Eichmiller, Paffenbarger Research Center

Licensing[edit]

Public domain
This image is in the public domain in the United States because it is a work of the United States Federal Government, specifically an employee of the National Institute of Standards and Technology, under the terms of Title 17, Chapter 1, Section 105 of the US Code.

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Date/TimeThumbnailDimensionsUserComment
current15:03, 13 October 2010Thumbnail for version as of 15:03, 13 October 20101,280 × 1,024 (895 KB)Petruss (talk | contribs){{Information |Description={{en|1=A close-up of a tubule reveals a cave-like opening ultimately leading to inner nerves along the tusk core. (Magnified 10,000 times)}} |Source=[http://www.nist.gov/public_affairs/images/05MSEL014_narwhal_SEMclose_HR.jpg Na

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