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pro-

pro- definition - medical

pro-

prefix

Earlier; before; prior to: progenitor.
Rudimentary: pronucleus.
Anterior; in front of: procephalic.

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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