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...

XXX syndrome is a disorder in which affected females have three X chromosomes. It may also be referred to as...

Xeroderma pigmentosum (XP) is an autosomal recessive disorder characterized by extreme photosensitivity of the skin and eyes. Even minimal sun...

X-linked lymphoproliferative syndrome (XLP) is an inherited immunodeficiency disorder characterized by one or more of three major phenotypic presentations. These...

X-linked hydrocephalus is one type of congenital hydrocephalus that results when circulation and absorption of the cerebrospinal fluid within the...

X-linked ichthyosis (XLI) is a hereditary disorder of the skin that affects males almost exclusively. Female carriers of the abnormal...

Hydrocephalus is a condition that is caused by abnormal buildup or accumulation of cerebrospinal fluid (CSF) in the ventricles or...