1 Double-click the VisioViewer.exe program file on your hard disk to start the setup program. 2  Follow the instructions on the screen to complete the installation. 3  From Windows Explorer, double-click a Visio drawing (.vsd, .vss, .vst, .vdx, .vsx, or .vtx extension). Double-click the VisioViewer.exe program file on your hard disk to start the setup program. 2  Follow the instructions on the screen to complete the installation. 3  From Windows Explorer, double-click a Visio drawing (.vsd, .vss, .vst, .vdx, .vsx, or .vtx extension).
E. histolytica, as its name suggests (histoâlytic = tissue destroying), is pathogenic; infection can be asymptomatic or can lead to amoebic dysentery or amoebic liver abscess. Symptoms can include fulminating dysentery, bloody diarrhea, weight loss, fatigue, abdominal pain, and amoeboma.
Cyst of E. histolytica / E. dispar stained with trichrome. Note the chromatoid body with blunt ends (red arrow).Trophozoites of E. histolytica with ingested erythrocytes stained with trichrome. The ingested erythrocytes appear as dark inclusions.yst of E. histolytica / E. dispar stained with trichrome. Note the chromatoid body with blunt ends (red arrow). Trophozoites of E. histolytica with ingested erythrocytes stained with trichrome. The ingested erythrocytes appear as dark inclusions.