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Kinesiology Dictionary
Please use this dictionary of professional kinesiology terms and definitions to help you learn. New terms and definitions will be added on a regular basis for you to learn from. I have decided to extend the dictionary to include terms and definitions from sciences that relate to and support being a kinesiologist or any other healthcare professional. Knowledge itself is power - use the dictionary to empower yourself. Please use the letters in blue below as links to get to the first letter of the term you are looking for. You will be transferred to another page containing those terms and definitions accordingly. Enjoy!
Term | Definition | Associated Field |
|---|---|---|
X-Chromosome | One of the two sex chromosomes; females have two, males one. | Genetics |
X-Chromosome Aberration | Structural abnormality in X chromosome. | Genetics |
X-Chromosome Fragile Site (Fragile X) | Genetic cause of intellectual disability. | Pathophysiology / Genetics |
X-Chromosome Inactivation | Silencing of one X chromosome in females. | Genetics |
X-Chromosome Skewing | Unequal inactivation of X chromosomes. | Genetics |
X-Linked Agammaglobulinemia | Immune deficiency disorder. | Pathophysiology |
X-Linked Deafness | Genetic condition causing hearing loss. | Genetics |
X-Linked Dominant Disorder | Genetic condition expressed with one copy on X chromosome. | Genetics |
X-Linked Hypophosphatemia | Genetic disorder causing rickets-like symptoms. | Pathophysiology |
X-Linked Ichthyosis | Genetic skin disorder causing scaling. | Pathophysiology |
X-Linked Immunodeficiency | Group of genetic disorders impairing immune system. | Pathophysiology |
X-Linked Intellectual Disability | Genetic cause of learning impairment. | Psychology / Genetics |
X-Linked Muscular Dystrophy | Genetic disease weakening muscles. | Pathophysiology |
X-Linked Myopathy | Muscle disease due to X-linked mutation. | Pathophysiology |
X-Linked Recessive Disorder | Genetic condition passed through X chromosome, usually affecting males. | Genetics |
X-Linked Retinitis Pigmentosa | Genetic eye disorder causing vision loss. | Pathophysiology |
X-Linked Spinal Muscular Atrophy | Neuromuscular genetic disease. | Pathophysiology |
X-Linked Trait | Trait caused by gene located on the X chromosome. | Genetics |
X-Ray | Imaging technique using ionizing radiation. | Medicine / Physics |
X-Ray Absorptiometry (DEXA) | Imaging test for bone density and body composition. | Medicine / Exercise Testing |
X-Ray Attenuation | Reduction in beam intensity through tissue. | Physics |
X-Ray Computed Tomography (CT) | Imaging method producing body cross-sections. | Medicine |
X-Ray Contrast Agent | Chemical enhancing visibility of imaging. | Medicine |
X-Ray Crystallography | Method to determine 3D structure of biomolecules. | Chemistry / Biology |
X-Ray Diffraction | Technique analyzing atomic structure of crystals. | Chemistry / Physics |
X-Ray Fluorescence | Method to detect elemental composition. | Physics |
X-Ray Photoelectron Spectroscopy (XPS) | Analytical tool for surface chemistry. | Physics |
X-Ray Tube | Device generating medical imaging X-rays. | Physics |
Xanthelasma | Cholesterol-rich deposits on eyelids. | Pathophysiology |
Xanthine | Purine base involved in nucleic acid metabolism. | Biochemistry |
Xanthine Oxidase | Enzyme producing uric acid from purines. | Physiology |
Xanthoma | Fatty skin deposit often linked to high cholesterol. | Pathophysiology |
Xanthophyll | Yellow plant pigment with antioxidant properties. | Nutrition / Biology |
Xanthoproteic Reaction | Protein test using nitric acid (color change). | Chemistry |
Xanthopsia | Yellow-tinted vision disturbance. | Pathophysiology |
Xanthurenic Acid | Metabolite in tryptophan pathway. | Biochemistry |
Xenobiotic | Foreign compound not naturally produced in body. | Physiology / Pathophysiology |
Xenobiotic Metabolism | Body’s process of detoxifying foreign chemicals. | Physiology |
Xenobiotic Sensor Receptor | Protein detecting environmental toxins. | Physiology |
Xenobiotic-Responsive Element (XRE) | DNA sequence regulating detoxification genes. | Genetics |
Xenocentric Stress Response | Concept of stress from foreign environments. | Psychology |
Xenodiagnosis | Infecting vector with patient’s blood to confirm disease. | Medicine |
Xenodiagnostic Vector | Insect carrier used in diagnostic parasitology. | Medicine |
Xenogenic Antigen | Antigen derived from another species. | Immunology |
Xenogenic Cell Therapy | Treatment using cells from another species. | Medicine |
Xenogenic Immunization | Immunization using antigens from another species. | Immunology |
Xenogenic Stem Cells | Stem cells from different species. | Medicine |
Xenogenic Vaccine | Vaccine derived from other species antigens. | Immunology |
Xenograft | Tissue transplant from another species. | Medicine |
Xenohormesis | Theory of cross-species benefits from plant stress signals. | Nutrition |
Xenolith (Medical Adaptation) | Abnormal foreign inclusion in tissue. | Pathophysiology |
Xenon | Inert gas used in anesthesia and imaging. | Physics / Medicine |
Xenon Anesthesia | Use of xenon gas for safe anesthesia. | Medicine |
Xenon Excimer Laser | Laser type used in ophthalmic surgery. | Medicine |
Xenon Flashlamp | Light source in imaging and therapy. | Physics / Medicine |
Xenon Isotopes | Isotopes used in radiological studies. | Physics |
Xenon Lamp | Light source for retinal and lab studies. | Physics |
Xenon MRI | Advanced imaging technique using hyperpolarized xenon gas. | Medicine |
Xenophobic Response | Psychological fear/rejection of outsiders. | Psychology |
Xenopsin | Light-sensitive protein in photoreceptors. | Biology |
Xenopus | Model amphibian species used in biology. | Biology |
Xenotransfusion | Blood transfusion between different species. | Medicine |
Xenotransplantation | Organ/tissue transplantation from different species. | Medicine |
Xenotropic Virus | Virus replicating in foreign host species. | Biology |
Xeric Condition | Extremely dry physiological state. | Physiology |
Xeroderma Pigmentosum | Genetic disorder with defective DNA repair. | Pathophysiology / Genetics |
Xerogel | Solid network produced by drying a gel. | Chemistry |
Xerophthalmia | Dryness of eyes due to vitamin A deficiency. | Pathophysiology / Nutrition |
Xerophyte (Human Context) | Term adapted for human tolerance to dehydration. | Physiology |
Xerosis | Abnormal dryness of skin or mucous membranes. | Pathophysiology |
Xerostomia | Dry mouth due to reduced saliva production. | Pathophysiology |
Xerostomic Effect | Medication side effect reducing saliva. | Pathophysiology |
Xerostomic Medication Effect | Dry-mouth induced by pharmacological agents. | Medicine |
Xerothermic | Adapted to hot/dry environments (used in physiology models). | Physiology |
Xerothermic Training | Training in hot, dry environments. | Exercise Physiology |
Xerotic Eczema | Dry-skin eczema. | Pathophysiology |
Xiphoid Process | Cartilaginous lower tip of sternum. | Anatomy |
Xiphoidalgia Syndrome | Pain at xiphoid process site. | Pathophysiology |
Xiphosternal Joint | Joint between sternum body and xiphoid process. | Anatomy |
Xylanase | Enzyme breaking down plant xylan. | Biochemistry |
Xylenes | Organic solvents with health risks. | Chemistry / Pathophysiology |
Xylenol Orange | pH indicator used in labs. | Chemistry |
Xylitol | Sugar alcohol used as a sweetener. | Nutrition |
Xylocaine (Lidocaine) | Local anesthetic used in medicine. | Medicine |
Xyloglucan | Plant polysaccharide studied in digestion. | Nutrition / Biology |
Xyloglucanase | Enzyme hydrolyzing plant xyloglucan. | Biochemistry |
Xylography (Medical Imaging Use) | Imaging resembling woodcut-like contrast in tissues. | Medicine |
Xylometazoline | Nasal decongestant medication. | Medicine |
Xylophagia | Eating disorder involving wood consumption (pica type). | Psychology / Pathophysiology |
Xylose | Five-carbon sugar used in absorption tests. | Chemistry / Nutrition |
Xylose Absorption Test | Diagnostic test for intestinal malabsorption. | Medicine |
Xylose Isomerase | Enzyme converting xylose to xylulose. | Biochemistry |
Xylosuria | Excretion of xylose in urine. | Pathophysiology |
Xylulose | Sugar intermediate in pentose phosphate pathway. | Biochemistry |
Xyphoidalgia | Pain localized to xiphoid process region. | Pathophysiology |
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