Manual of basic techniques for a health laboratory - libdoc.who.int

384 IndexVenous bloodcollection 267–270, 267–270, 281,286examination 166–170glucose concentration 325Vibrio cholerae 216, 217Vincent’s bacilli 199, 201, 201Virus infections 312, 313, 321diarrhoeal disease 105hepatitis 342–344, 344Visceral leishmaniasis 196Voltage, electrical supply 16Volume fraction, erythrocyte 6,279–287, 280–283, 286Volume, SI derived units of 4–5Volumetric flasks 34, 75–76, 76Volumetric pipettes 73–74, 74Wall sockets, electrical 19Wash bottles 35, 37, 42, 41–42Waste disposal 90–91, 90–91Watch glasses 34, 37Waterlaboratory supplies 23–31, 354,361–362plumbing 20–23waste 22–23Water-baths 32, 83Watery stool specimens 216–218, 217Wayson stain 203–204, 367Weighing, laboratory balances 66–69,67–69Weight, definition 3Westergren tubes 37, 83Whipworm (Trichuris trichiura) 106adults 150, 150eggs 126, 128, 144, 144, 152White blood cells, see LeukocytesWillis solution 152–153, 152–153, 368Wintrobe solution 368Work benches, disinfection 85Worms, see Filariae, HelminthsWuchereriabancrofti 248, 249spp. 159–160, 163, 165, 172Xanthochromia, CSF 257, 257Yaws (Treponema pertenue) 210–211, 211Yeasts 124–125, 125, 204Yersinia pestis (bubonic plague) 218staining techniques 203–204, 218,219Zenker fixative 368Ziehl–Neelsen stain 123–124, 202–203acid–ethanol 351carbol fuchsin solution 354smears 221, 222–223tuberculous meningitis 261