Diabetes Insipidus

– A transient or permanent disturbance of water metabolism that results in excretion of excessive quantities of very dilute urine. It may be pituitary (central), renal (nephrogenic), or intake regulated (primary) in nature.
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Diabetes Mellitus

– A disease complex characterized by persistent hyperglycemia caused by insufficient insulin production or resistance to the metabolic action of insulin. Diabetes mellitus (DM) is generally classified as insulin-dependent (IDDM, type I), non-insulin-dependent (NIDDM, type II), or secondary diabetes mellitus.
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Diarrhea

– A change in bowel habits marked by frequent passage of loose, watery, unformed stool. Diarrhea may be an acute or a chronic condition.
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Diverticular Disease

– Inflammation of acquired, saclike projections (diverticula) that have formed in the gastrointestinal wall and have pushed the mucosal lining through the surrounding muscle; they may become infected, bleed, or rupture.
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Emphysema

Alveoli ruptured as a result of emphysema– A chronic obstructive pulmonary disorder characterized by permanent anatomic alteration of the airway spaces distal to the conducting airways.
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