Laboratory Procedures for the Diagnosis of Intestinal Parasites, Volumen7

20 minutes 3X2-inch slide alum amebae amebiasis applicator stick approximately autoclave biopsy Brooke buffer Carbol-xylene centrifuge chloride collected concentration coverslip crystals culture cysts cysts and trophozoites debris destain diagnosis dilution distilled water drop egg counts eggs and larvae ethyl alcohol examined fecal smears fecal specimens feces films filter fixation flask fluid formalin fresh funnel gram helminth helminth eggs hematoxylin histolytica hookworm identification infections intestinal protozoa iodine iodine Solution laboratory larvae layers lithium carbonate material medium method methylene blue micrometer microscope mixture ml Dissolve number of eggs obtained ocular ocular micrometer oil immersion oöcysts organisms overnight parasites permanently stained phosphotungstic acid pipette portion powder preserved proglottids protozoa protozoan cysts PVA-fixative remove room temperature saline sample satisfactory Schaudinn's fixative schistosome sediment Sigmoidoscopic species sterile stool stopper supernatant suspension swab tap water tape tion tissue trichrome trophozoites tube usually vials worm burden Xylene zinc sulfate