Depression, dysthymia: A type of depression involving long-term, chronic symptoms that are not disabling, but keep a person from functioning at “full steam” or from feeling good. Dysthymia is a less severe type of depression than what is accorded the diagnosis of major depression. However, people with dysthymia may also sometimes experience major depressive episodes, suggesting that there is a continuum between dysthymia and major depression.
- Depression, major
A disease that interferes with the ability to work, sleep, eat, and enjoy once pleasurable activities. The signs and symptoms of major depression include loss of interest in activities that were once interesting or enjoyable, including sex; loss of appetite (anorexia) with weight loss or overeating with weight gain; loss of emotional expression (flat affect); […]
- Dercum disease
Dercum disease: A condition characterized by painful fatty tumors (lipomas) beneath the skin. The diseases tends to be associated with obesity and is about 5 times more frequent in females than in males. Onset of symptoms is generally in middle age. The fatty tumors are most often located on the trunk and limbs with sparing […]
A surgical procedure that involves the controlled scraping away of the upper layers of the skin by using sandpaper or some other mechanical means. The purpose of dermabrasion is to smooth the skin and, in the process, remove small scars (as from acne), moles (nevi), tattoos, or fine wrinkles. Dermabrasion is performed by a dermatologist. […]
dermal: Suffix indicating a relationship to the skin. As in ectodermal, endodermal, and mesodermal; epidermal; and an intradermal injection. From the Greek word derma for skin.
- Dermatan sulfate
Dermatan sulfate: An glycosaminoglycan (formerly called a mucopolysaccharide) found mostly in skin but also in blood vessels, the heart valves, tendons, and the lungs. Dermatan sulfate accumulates abnormally in several of the mucopolysaccharidosis disorders.