X-ray, lateral
An X-ray picture that is taken from the side.
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- X-ray, PA
An X-ray picture in which the beams pass through the patient posteroanteriorly (from back to front).
- X-rays during pregnancy
Prenatal radiation exposure.
- Xanth- (prefix)
A condition characterized by yellowish firm nodules in the skin that frequently are a sign of an underlying disease such as diabetes or a disorder of fats (lipid disorder or hyperlipidemia). The word “xanthoma” is made up of “xanth-” from the Greek roots “xanthos” (yellow) and “oma” (swelling) = a yellow swelling. “Xanth” is more […]
- Xanthelasma (Xanthoma) Medical
Fauci AS, et al. Harrison’s Principles of Internal Medicine. 18th edition. McGraw Hill. 2011
- Xanthine
A substance found in caffeine, theobromine, and theophylline and encountered in tea, coffee, and the colas. Chemically, xanthine is a purine. There is a genetic disease of xanthine metabolism, xanthinuria, due to deficiency of an enzyme, xanthine dehydrogenase, needed to process xanthine in the body. Unchecked, xanthinuria can lead to kidney stone formation and urinary […]