obsolete positive regulation of convergent extension involved in axis elongation (obsolete GO:1901234)
activation of convergent extension involved in axis elongation
narrow
up regulation of convergent extension involved in axis elongation
exact
up-regulation of convergent extension involved in axis elongation
exact
upregulation of convergent extension involved in axis elongation
exact
OBSOLETE. Any process that activates or increases the frequency, rate or extent of convergent extension involved in axis elongation.