Xenobiotic
Relating to or denoting a substance, typically a synthetic chemical, that is foreign to the body or to an ecological system.
Xenotransplantation Products
Cell therapy using cells from non-human animals.
X-ray Crystallography
The study of crystals and their structure by means of X-ray diffraction.
X-ray Diffraction
Phenomenon in which the atoms of a crystal, by virtue of their uniform spacing, cause an interference pattern of the waves present in an incident beam of X-rays.