X
Although the letter X is used as a symbol in various ways (such as X-rays, the x-axis of a graph, etc.), today the x usu (more...)
Xaa
Symbol for unspecified amino acid.
xamoterol
<chemical> A selective beta-1-adrenergic partial agonist. Because it is a partial agonist it acts like an agonist (more...)
Xan
<abbreviation> Xanthine.
xanthochromatic
Yellow-coloured.
xanthamide
<chemistry> An amido derivative of xanthic acid obtained as a white crystalline substance, C2H5O.CS.NH2.
xanthan gum
<chemical> A polysaccharide gum often used in foods, it is synthesised (fermented) from glucose by the bacterium X (more...)
xanthate
<chemistry> A salt of xanthic; a xanthogenate.
xanthelasma
<medicine> See Xanthoma.
xanthelasma palpebrarum
Soft yellow-orange plaques on the eyelids or medial canthus, the most common form of xanthoma; may be associated with lo (more...)
