Category: X

Mode of genetic transmission in which a trait or gene is linked to the x chromosome. X-linkage has been implicated in some cases of bipolar disorder.  

The fear of strangers. A neurotic fear of unfamiliar people.  

Brand name for the antichoreic drug tetrabenazine.  

The use of high-energy radiation from x-rays to kill cancer cells and shrink tumors. Radiation may come from a machine outside the body (external-beam radiation therapy) or from materials called radioisotopes. Radioisotopes produce radiation and can be placed in or near the tumor or in the area near cancer cells. This type of radiation treatment…

High-energy radiation used in low doses to diagnose diseases and in high doses to treat cancer. A ray with a very short wavelength, which is invisible, but can go through soft tissue and register as a photograph on a film. X-rays are used in diagnosis in radiography, and in treating disease by radiotherapy. A photograph…

Hard, woody tuberous thickening of the root.  

Hard woody fruit; fruit enclosed in hard woody capsule.  

The woody element of the vascular bundle, its basic function is to transport water and some nutrients through the plant.  

Relating to the xylem, the wood elements of the vascular bundle.