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urethral groove

urethral groove in Medicine

urethral groove n.
The groove on the undersurface of the embryonic penis that ultimately is closed to form the penile portion of the urethra.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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