gubernaculum testis

[tĕstĭs]
n.
  1. A mesenchymal column of tissue that connects the fetal testis to the developing scrotum and that is involved in testicular descent.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.