Excess of the purine derivative xanthine in the urine, usually the result of an inborn defect of metabolism. It is...

The presence in the blood of the yellow pigment carotene, from excessive intake of carrots, tomatoes, or other vegetables containing...

Using an x-ray source which projects through the patient onto a fluorescent screen or image intensifier. Image-intensified fluoroscopy has replaced...

A trait associated with a gene on the X sex chromosome. Any trait associated with a gene on the X...

A test done to determine the rate of absorption of xylose, a wood sugar, into blood. Absorption is impaired in...

The small tip at the inferior end of the sternum.  

To genes, characteristics, or conditions carried on the X chromosome.  

Abnormally dry condition of the conjunctiva of the eye.  

Malignant neoplasm of tendon sheaths and aponeuroses, containing xanthoma cells.  

Chronic condition in which orange or brownish papules develop on many surfaces of the body, especially in the region of...