nanogram

nanogram definition - medical

nan·o·gram (nănˈə-grămˌ)

noun Abbr. ng
One billionth (10-9) of a gram.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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