(măl'lŏr-ē-wīs' )

[G. Kenneth Mallory, U.S. pathologist, 1900–1986; Soma Weiss, U.S. internist, 1898–1942]

Hemorrhage from the upper gastrointestinal tract due to a tear in the mucosa of the esophagus or gastroesophageal junction. Violent retching usually precedes the bleeding.