Browsing: X

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Xeropthalmia

A disease caused by a deficiency of vitamin A and characterized by a thickening and inflammation of the outer layers…

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Xyster

Not wanting to waste any of a chicken or turkey, many cooks will scrape and pluck the remaining pieces of…

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Xenia

Xenia, in ancient Greece and Rome, were table delicacies graciously presented to a tired stranger upon his or her arrival…

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Xanthan

Xanthan is a gummy substance produced by a bacterium that takes its full scientific name—xanthomonas, Greek for yellow one—from the…

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Xenotransplant

From the Greek word xenos, meaning “stranger.” Xenotransplant is the implantation of an organ or limb from one species to…

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Xenogenesis

The (theoretical) production of offspring that are genetically different from, and genotypically unrelated to either of the parents of that…

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Xenogeneic organs

From the Greek word xenos, meaning “stranger.” Xenogeneic literally means “strange genes.” Refers to genetically engineered (e.g., “humanized”) organs that…

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Xenobiotic compounds

Those compounds (e.g., veterinary drugs, agrochemical herbicides, etc.) that are designed to be used in an ecosystem comprised of more…

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X-ray crystallography

The use of diffraction patterns produced by X-ray scattering from crystals (of a given material’s molecules) to determine the three-dimensional…

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X Chromosome

A sex chromosome that usually occurs paired in each female cell, and single (i.e., unpaired) in each male cell in…

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