1010
INDEX
Y-linked genes, 920
Yolk sac, 891
Yucca Mountain (Nevada), 56
Z
Ziconotide, 445
Zinc, 52t, 722, 723t
Z lines, 287, 288f
Zona pellucida, 830, 849, 851f, 853f,
877, 880f
Zone of calciF
ed cartilage, 198
Zone of hypertrophic cartilage, 198
Zone of proliferating cartilage, 198
Zone of resting cartilage, 198
Zygomatic arch, 211f, 212,
246, 248,
341,
346
Zygomatic bones, 209f, 210f, 211f, 214, 215f,
216t, 218f,
245–49
Zygomatic process, 210f, 212,
253
Zygomaticus major and minor, 305f,
306, 307f
Zygote, 849, 850f, 878, 886t
Zygote intrafallopian transfer (ZI±T), 879
Zymogen granules, 671
World Health Organization, 290, 523, 843
Wormian bones, 205–206
Wounds, in skin, 183–86
Wrist, 270t
X
Xenograft, 641
Xeroma pigmentosum, 137
Xeropthalmia, 710
Xerostomia, 690
Xiphoid process, 224, 225
X chromosome, 927–28
X-linked inheritance, 920, 923, 928
X-linked recessive disorders, 928
XO syndrome, 929
X-ray(s), 70
X-ray fl
uoroscopy, 609
XXY syndrome, 929
XYY syndrome, 929–30
Y
Yawning, 755
Y chromosome, 927–28
Yellow marrow, 203
reabsorption in urinary system, 792, 794t
requirements for life, 7, 9
Water intoxication, 816
Water-soluble vitamins, 709, 713–16, 718t
Weak acid, 820
Weak base, 820
Weber test, 459
Weight lifting, 300
Wernicke’s area, 401
Whiplash, 424
White, Tim, 193
White blood cell(s), 162, 530–34
White blood cell count (WBCC), 533, 942
White F
bers, 299
White matter, in brain,
42,
358, 390f, 391f
White pulp, of spleen, 624
White rami, 425
Whooping cough, 534t
Wild type genetic mutation, 920
Wilson disease, 803
“Winter vomiting disease,” 638
Wisdom teeth, 658, 660
Withdrawal refl ex, 390–91, 392f, 393f
Wnt4
gene, 927
Wolf’s Paw (herb), 775
World Anti–doping Agency, 489
World Bank, 115
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