Erythema infectiosum
Erythema infectiosum: A sometimes-used Latin name for fifth disease. See Fifth disease.
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- Erythema nodosum
An inflammatory reaction that occurs deep in the skin and is characterized by the presence of tender, red, raised lumps or nodules that range in size from 1 to 5 centimeters and are most commonly located over the shins but occasionally on the arms or other areas. The causes of erythema nodosum include medications (such […]
- Erythrasma
Erythrasma: A chronic superficial slowly spreading skin infection, especially in the folds of the body and webs between the toes, caused by a bacterium called Corynebacterium minutissimum. Erythrasma most often affects adults, especially those with diabetes, and people in the tropics. Erythrasma looks like a chronic fungal infection. Scaling, cracks, and slight maceration (softening) typically […]
- Erythrocyanosis
Erythrocyanosis: Discoloration on the legs that has a bluish or purple hue.
- Erythrocyte
Erythrocyte: A cell that contains hemoglobin and can carry oxygen to the body. Also called a red blood cell (RBC). The reddish color is due to the hemoglobin. Erythrocytes are biconcave in shape, which increases the cell’s surface area and facilitates the diffusion of oxygen and carbon dioxide. This shape is maintained by a cytoskeleton […]
- Erythrodermic psoriasis
Erythrodermic psoriasis: A particularly inflammatory form of psoriasis that often affects most of the body surface. It is the least common form of psoriasis and often appears on people who have unstable plaque psoriasis, where lesions are not clearly defined. The erythrodermic form of psoriasis is characterized by periodic, widespread, fiery redness of the skin. […]