Category: H

A heart muscle disease of uncertain cause, marked by excessive and disorganized growth of myofibrils, impaired filling of the heart (diastolic dysfunction), a reduction in the size of ventricular cavities, and often, ventricular arrhythmias and sudden death. Examination of the heart by echocardiography or other modalities may show the heart’s enlargement to be most pronounced…

A cylindrical cancer composed of fibrous tissue.  

A calculus formed from coagulated blood.  

The expanded portion at the lower end of the hair root. The growth of a hair results from the proliferation of cells of the hair bulb. Lowest part of a hair strand; the thickened, club-shaped structure that forms the lower part of the hair root.  

An inaccurate term for functional blindness (i.e., blindness caused by psychological disorders rather than demonstrable organic pathology).  

Spontaneous hemorrhage from the gastrointestinal tract in a patient with an aortic bypass graft. The hemorrhage typically stops suddenly, only to recur massively days or weeks later. It is sometimes a clinical hallmark of bleeding from an aortoenteric fistula.  

A bladder with excessive muscle tone.  

Bile secreted by the liver cells. It is relatively dilute, is collected in the bile ducts, and flows to the gallbladder.  

A bath in which the whole body except the head is immersed in water from 105° to 120°F (40.6° to 48.9°C) for 1 to 2 min.  

Exposure of the entire body except the head to hot air in a bath cabinet.