Dictionary

edema, periorbital Swelling around the eyes due to excess water accumulation.

edema, hereditary angioneurotic Localized skin swelling that results from an inherited deficiency of the C1 esterase inhibitor protein, which normally prevents activation of a cascade of proteins that leads to the occurrence of angioedema. Patients can develop recurrent attacks of swollen tissues, pain in the abdomen, and swelling of the voice box (larynx) that can…

edema The swelling of soft tissues as a result of excess fluid accumulation. Edema is often most prominent in the lower legs and feet toward the end of the day because fluid pools while people maintain an upright position.

EDC Estimated date of confinement. See due date.

ED Erectile dysfunction.

eczema, seborrheic See seborrhea.

eczema, nummular Coin-shaped patches of irritated skin that may be crusted, scaling, and extremely itchy. Nummular eczema appears most commonly on the arms, back, buttocks, and lower legs.

eczema, dyshidrotic Irritation of the skin on the palms of the hands and the soles of the feet that is characterized by clear, deep blisters that itch and burn.

eczema, contact A localized reaction that involves redness, itching, and burning that occurs where the skin has come into contact with an allergen (an allergy-causing substance) or an irritant such as an acid, a cleaning agent, or another chemical.

eczema, allergic contact A red, itchy, weepy reaction that occurs where the skin has come into contact with a substance that the immune system recognizes as foreign, such as poison ivy or certain preservatives in creams and lotions. Also known as allergic contact dermatitis.

eczema An inflammatory reaction of the skin in which there are tiny blister-like raised areas in the early stage followed by reddening, swelling, bumps, crusting, and thickening and scaling. Eczema characteristically causes itching and burning. Also known as atopic dermatitis. Eczema is a very common skin problem that may start in infancy, later in childhood,…

ectopic pregnancy A pregnancy that occurs outside of the uterus. Usually, ectopic pregnancies occur because a fertilized egg settles and grows in a Fallopian tube. However, ectopic pregnancies can occur in other locations, such as the ovary, cervix, and abdominal cavity. An ectopic pregnancy is usually due to the inability of a fertilized egg to…