DeCS 
    2008 - March 17, 2008 version
    
       
        |  Alphabetic 
          Index of Descriptors   
           
 | 
      
        |  | 
 | X Chromosome | 
| X Chromosome Inactivation | 
| X Chromosome, Human use Chromosomes, Human, X | 
| X Inactivation use X Chromosome Inactivation | 
| X-Chromosome Genes use Genes, X-Linked | 
| X-Linked Adrenoleukodystrophy use Adrenoleukodystrophy | 
| X-Linked Combined Immunodeficiency Diseases | 
| X-Linked Genes use Genes, X-Linked | 
| X-Linked Genetic Diseases use Genetic Diseases, X-Linked | 
| X-Linked Hypohydridrotic Ectodermal Dysplasia use Ectodermal Dysplasia 1, Anhidrotic | 
| X-Linked Inhibitor of Apoptosis Protein | 
| X-Linked Lymphoproliferative Syndrome use Lymphoproliferative Disorders | 
| X-Linked Mental Retardation use Mental Retardation, X-Linked | 
| X-Linked Retinoschisis use Retinoschisis | 
| X-Linked Severe Combined Immunodeficiency use X-Linked Combined Immunodeficiency Diseases | 
| X-Linked Traits use Genes, X-Linked | 
| X-Linked, Spastic Paraplegia, Hereditary use Spastic Paraplegia, Hereditary | 
| X-Ray (Homeopathy) | 
| X-Ray Absorptiometry use Absorptiometry, Photon | 
| X-Ray Crystallography use Crystallography, X-Ray | 
| X-Ray Departments use Radiology Department, Hospital | 
| X-Ray Diffraction | 
| X-Ray Emission Spectrometry use Spectrometry, X-Ray Emission | 
| X-Ray Emission Spectrometry, Electron Microscopic use Electron Probe Microanalysis | 
| X-Ray Emission Spectrometry, Electron Probe use Electron Probe Microanalysis | 
| X-Ray Emission Spectroscopy use Spectrometry, X-Ray Emission | 
| X-Ray Film | 
| X-Ray Film-Screen Systems use X-Ray Intensifying Screens | 
| X-Ray Fluorescence Spectrometry use Spectrometry, X-Ray Emission | 
| X-Ray Information Systems use Radiology Information Systems | 
| X-Ray Intensifying Screens | 
| X-Ray Microanalysis, Electron Microscopic use Electron Probe Microanalysis | 
| X-Ray Microanalysis, Electron Probe use Electron Probe Microanalysis | 
| X-Ray Therapy | 
| X-Ray Tomography use Tomography, X-Ray | 
| X-Ray Tomography, Computed use Tomography, X-Ray Computed | 
| X-Ray, Diagnostic use Radiography | 
| X-Rays | 
| XYY Karyotype | 
| Xamoterol | 
| Xanthacridinum use Acriflavine | 
| Xanthenes | 
| Xanthine | 
| Xanthine Dehydrogenase | 
| Xanthine Oxidase | 
| Xanthines | 
| Xanthinol Niacinate | 
| Xanthinol Nicotinate use Xanthinol Niacinate | 
| Xanthium | 
| Xanthium spinosum | 
| Xanthobacter | 
| Xanthobacter autotrophicus use Xanthobacter | 
| Xanthobacter flavus use Xanthobacter | 
| Xanthoceras use Sapindaceae | 
| Xanthogranuloma, Juvenile | 
| Xanthogranulomatous Pyelonephritis use Pyelonephritis, Xanthogranulomatous | 
| Xanthoma use Xanthomatosis | 
| Xanthoma Disseminatum use Histiocytosis, Non-Langerhans-Cell | 
| Xanthoma, Juvenile use Xanthogranuloma, Juvenile | 
| Xanthomatosis | 
| Xanthomatosis, Cerebrotendinous | 
| Xanthomatosis, Familial use Wolman Disease | 
| Xanthomatosis, Wolman's use Wolman Disease | 
| Xanthomonadaceae | 
| Xanthomonas | 
| Xanthomonas albilineans use Xanthomonas | 
| Xanthomonas axonopodis | 
| Xanthomonas campestris | 
| Xanthomonas maltophilia use Stenotrophomonas maltophilia | 
| Xanthomonas vesicatoria | 
| Xanthones | 
| Xanthophylls | 
| Xanthopterin | 
| Xanthorhiza | 
| Xanthorrhiza apifolia | 
| Xanthorrhoea arborea | 
| Xanthosoma | 
| Xanthotoxin use Methoxsalen | 
| Xanthoxylum use Zanthoxylum | 
| Xanthoxylum fraxeneum | 
| Xanthurenates | 
| Xantinol Nicotinate use Xanthinol Niacinate | 
| Xedar Receptor | 
| Xenarthra | 
| Xenoantibodies use Antibodies, Heterophile | 
| Xenoantigens use Antigens, Heterophile | 
| Xenobiotics | 
| Xenodiagnosis | 
| Xenograft use Transplantation, Heterologous | 
| Xenograft Antitumor Assays use Xenograft Model Antitumor Assays | 
| Xenograft Bioprosthesis use Bioprosthesis | 
| Xenograft Dressings use Biological Dressings | 
| Xenograft Model Antitumor Assays | 
| Xenon | 
| Xenon Chloride Excimer Lasers use Lasers, Excimer | 
| Xenon Ion Lasers use Lasers, Gas | 
| Xenon Isotopes | 
| Xenon Radioisotopes | 
| Xenopus | 
| Xenopus Proteins | 
| Xenopus laevis | 
| Xenopus laevis Proteins use Xenopus Proteins | 
| Xenorhabdus | 
| Xenorhabdus luminescens use Photorhabdus | 
| Xenorhabdus nematophila use Xenorhabdus | 
| Xenotransplantation use Transplantation, Heterologous | 
| Xeroderma use Ichthyosis | 
| Xeroderma Pigmentosum | 
| Xeroderma Pigmentosum Group A Protein | 
| Xeroderma Pigmentosum Group D Protein | 
| Xeromammography | 
| Xerophthalmia | 
| Xerophyllum | 
| Xeroradiography | 
| Xeroradiography, Breast use Xeromammography | 
| Xerostomia | 
| Xestospongia | 
| Xiakucao use Prunella | 
| Ximenia use Olacaceae | 
| Xipamide | 
| Xipapillomavirus | 
| Xiphoid Bone | 
| Xiphophorus use Cyprinodontiformes | 
| Xiphosura use Horseshoe Crabs | 
| Xiphosura americana | 
| Xylamide use Proglumide | 
| Xylan Endo-1,3-beta-Xylosidase | 
| Xylans | 
| Xylariales | 
| Xylazine | 
| Xylella | 
| Xylem | 
| Xylenes | 
| Xylitol | 
| Xylobiases use Xylosidases | 
| Xylopia | 
| Xylose | 
| Xylosidases | 
| Xylulose |