Search

Search results

Displaying 11 - 20

nephrosis

(Encyclopedia) nephrosisnephrosisnəfrōˈsəs [key], kidney disease characterized by lesions of the epithelial lining of the renal tubules, resulting in marked disturbance in the filtration function and…

spasm

(Encyclopedia) spasm, involuntary rigid muscle contraction, often persistent and often accompanied by pain. It usually has some underlying physical cause such as disease, strain, or injury to the…

convulsion

(Encyclopedia) convulsion, sudden, violent, involuntary contraction of the muscles of the body, often accompanied by loss of consciousness. It is not known what causes the abnormal impulses from the…

Peterloo massacre

(Encyclopedia) Peterloo massacre, public disturbance in St. Peter's Field, Manchester, England, Aug. 16, 1819, also called the Manchester massacre. A crowd of some 60,000 men, women, and children…

eczema

(Encyclopedia) eczemaeczemaĕkˈsəmə [key], acute or chronic skin disease characterized by redness, itching, serum-filled blisters, crusting, and scaling. Predisposing factors are familial history of…

gangrene

(Encyclopedia) gangrene, local death of body tissue. Dry gangrene, the most common form, follows a disturbance of the blood supply to the tissues, e.g., in diabetes, arteriosclerosis, thrombosis, or…

irritable bowel syndrome

(Encyclopedia) irritable bowel syndrome (IBS), condition characterized by constipation, diarrhea, or alternating constipation and diarrhea in the absence of any disease process. It is usually…

vomiting

(Encyclopedia) vomiting, ejection of food and other matter from the stomach through the mouth, often preceded by nausea. The process is initiated by stimulation of the vomiting center of the brain by…

sonic boom

(Encyclopedia) CE5 Sonic boom wave pattern from a supersonic aircraft and variation in pressure sonic boom, shock wave produced by an object moving through the air at supersonic speed, i.e.,…

Huntington's disease

(Encyclopedia) Huntington's disease, hereditary, acute disturbance of the central nervous system usually beginning in middle age and characterized by involuntary muscular movements and progressive…