Obliteration of a blood vessel, such as occurs in the newborn infant after tying of the umbilical cord. ... Origin: angio-+ G. Lysis, destruction. ... (05 Mar 2000) ... 
(an″je-ol´ĭ-sis) retrogression or obliteration of blood vessels, as in embryologic development.
Type: Term Pronunciation: an-jē-ol′i-sis Definitions: 1. Obliteration of a blood vessel, such as occurs in the newborn infant after tying of the umbilical cord.
angiolysis Retrogression or obliteration of blood vessels, such as occurs during embryonic development.