Encyclopedia of Biology

Uredinales (rusts) 300
Urediniomycetes (rusts) 300
ureter 334
urethra 334
uric acid 334
Urochordata 340
urochordate 334
Urodela 16–17
Urticaceae 334
urticating 334
urushiol 271, 286
Ustomycetes 309
uterus 335
utricle 334, 335

V
vaccination 337
vaccines 113, 337
vacuole 60, 337
vagility 337
valence shell 337
van der Waals forces 337
variable numbers of tandem
repeats (VNTRs) 47
vascular bundle 265
vascular cambium 338
vascular membrane
(tonoplast) 60, 326
vascular plants 338, 338
vascular suturing 54
vascular system 338
vascular tissue 338
vas deferens 338–339
vasopressin (antidiuretic
hormone, ADH) 22, 243
VE (ventilation exchange)
339
vector 339
vegetative reproduction 29,
339
vein 52, 339
ventilation 210, 339
ventilation exchange (VE)
339
ventilation/perfusion ratio
210

ventricle 157, 339

Verhulst, Pierre 208

vernalization 339

vertebra 339, 340

vertebral bodies 339

vertebrates 339–340

vesicle 340–341

vessel element 341

vestibular system 34

vestigial organ 341

vetch 341

viable population 222

Vibrio cholerae(cholera) 64

vicariance 341

Vicia sativa 341

Villiard, Paul 228

Viola cordata 356

viremia 341

Virginia white butterfly

(Pieris virginiensis) 158

viroid (satellite RNA) 341

virus 113, 143,341, 342

visceral (visceral muscle) 341

visible light 341

vitalism 341–342

vitamin 107–108, 342–343

vitamin A 167

vitamin B 107–108

vitamin B 1272

vitamin C 167, 289, 320

vitamin D 167

vitamin E 90

vitamin K 90, 99–100

vitiligo 343

viviparous 343

VNTRs (variable numbers of

tandem repeats) 47

voltage-gated channel 139,

343

Vorticella 279

W

Wagle, William A. 236

Wagner-Jauregg, Julius 345

Waksman, Selman Abraham

345–346

Wallace, A. R. 346

Wallace’s line 346

Warburg, Otto Heinrich 346

warm-blooded 115, 346

water potential 346

water table 346

water vascular system

346–347

wavelength 108, 347

WBC (white blood cell) 24,

199–200

websites 363–364

Wegener, Alfred Lothar 347

Weinberg, B. W. 156

Weller, Thomas Huckle 113,

347–348

western conifer seed bug 158

West Nile disease 348

wheat stem rust 300

Whipple, George Hoyt 348

white blood cell (leucocyte)

24,199–200

White Mountains (New

Hampshire) 192

white pulp 312

The Wild Moths of North

America(Tuskes, Tuttle,

Collins) 228

wild type 348

Wilson’s disease 348

windpipe (trachea) 68,209,

327, 327

winterbottom’s sign 348–349

wobble 349

Wolf, Christian 124

Wright’s/Trypsin stain 67

Wuchereria bancrofti 110

X

XANES 121

X chromosomes 305,306,

351

xenobiotic 351

xenodiagnosis 351

Xerces Society 112

xeric 351

xerophytes 51, 351

XO 351

X-ray absorption near-edge

structure (XANES) 121

xylem 314,351–352, 352

Xythalis, Demetra 47

Y

Y chromosomes 305,306,

353

yeast 353

yellow ferment 324

yellow fever 324, 353

yolk sac 353

Z

Z disks 301

Z-DNA (zigzag DNA) 355

zinc finger 355

Zollinger-Ellison syndrome

138

zoned reserve system 355

zones 355

zonula adherens 94

zonula occluden 94

zonulin 43

zoogeographical region

(biogeographic boundary)

40

zoological nomenclatureSee

binomial (binomial name)

zooplankton 268, 355

zoospore 355

zot 43

zwitterionic compound 355

zygodactyl 355–356

zygomorphic 356, 356

zygospore 356

zygote 356

400 Index