title: Minimum blood vessel diameter measured by magnification angiography.
abstract: Visibility of small blood vessels was improved by magnification angiography of biologic specimens. Blood vessel diameter was determined for increasing magnifications by various screen-film combination. Significantly smaller vessels were recognized with the magnification technique in all screen combinations. Noisy screen-film combinations with better square wave transfer functions did not allow visualization of blood vessels as small as those screen-film combinations with poorer square wave transfer functions but less noise.
mesh_terms: D000792:Angiography; D000818:Animals; D001808:Blood Vessels / Q000033:anatomy & histology*; D006801:Humans; D007668:Kidney / Q000098:blood supply / Q000000981:diagnostic imaging; D011817:Rabbits