Clinical Definition The X chromosome is a sex chromosome, which determines gender. Typically, each cell in the body has 23 pairs of chromosomes, or a total of 46, with 22 somatic pairs and one pair of sex chromosomes. Females have two X chromosomes; males have one X and one Y. In Our Own Words The…
X-Ray
Clinical Definition An x-ray is a medical imaging procedure, which utilizes electromagnet radiation in order to create images of internal structures of the body. The radiation passes through the body and is absorbed differently based on the density of the structure. X-rays are used diagnostically in order to identify fractures, consolidations and other internal abnormalities.…
Xanthoma
Clinical Definition Xanthoma is a skin condition in which fatty deposits form beneath the epidermis. While the deposits themselves are not dangerous, they can be indicative of a serious underlying medical condition. Because xanthomas are typically caused by elevated levels of blood lipids, patients with xanthoma may have metabolic disorders such as diabetes, primary biliary…
Xerosis
Clinical Definition Xerosis is a dermatologic condition often linked with pruritus and becomes much more common with age, most often affecting the legs, elbows and forearms. Pruritus sets in as xerosis is easily irritated; the condition is exacerbated by overuse of soaps, perfumes or hot baths. In Our Own Words Xerosis is the medical term…
Xerostomia
Clinical Definition Xerostomia is an oral condition in which your mouth is extremely dry, resulting from an inadequate flow of saliva, which may affect enjoyment of food and impact the health of your teeth. Saliva fights bacterial build-up in the mouth. In Our Own Words Dry mouth, technically known as xerostomia, occurs when the mouth…