(ūl'mahn), the line of displacement in spondylolisthesis.
Ull·mann line
(ūl'mahn līn) The line of displacement in spondylolisthesis.
Ullmann,
Emerich, Hungarian surgeon, 1861-1937. Ullmann line - the line of displacement in spondylolisthesis.Ullmann syndrome - a systemic angiomatosis due to multiple arteriovenous malformations.