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heaves

(Encyclopedia)heaves, chronic pulmonary emphysema in horses. Heaves is characterized by the disruption of normal lung tissue with resultant loss of the lung's elastic recoil. A forced expiratory effort is needed to...

herpesvirus

(Encyclopedia)herpesvirus, any of the family (Herpesviridae) of common DNA-containing viruses, many of which are associated with human disease. See cytomegalovirus; Epstein-Barr virus; herpes simplex; herpes zoster...

amphotericin B

(Encyclopedia)amphotericin B ămˌfətĕrˈĭsĭn [key], antibiotic that halts the growth of several disease-causing fungi. Discovered in 1956, it is produced by bacteria of the genus Streptomyces. It is used in lo...

erythema

(Encyclopedia)erythema ĕrˌəthēˈmə [key], more or less diffuse redness of the skin due to concentration of an abnormally large amount of blood within the small vessels of the skin (hyperemia), as in burns. Ery...

Doctors Without Borders

(Encyclopedia)Doctors Without Borders, Fr. Médecins Sans Frontières (MSF), international organization that provides emergency medical assistance to people suffering from a natural or societal disaster, such as an...

Cytoxan

(Encyclopedia)Cytoxan sītŏkˈsĭn [key], trade name for the drug cyclophosphamide, used to inhibit growth of tumors and rapidly proliferating cells. It is used in the treatment of leukemia, Hodgkin's disease, and...

tissue culture

(Encyclopedia)tissue culture, the propagation of plants through the placement of small amounts of undifferentiated tissue or single cells in an artificial environment. The tissue is placed in a nutrient medium that...

tarantella

(Encyclopedia)tarantella târˈəntĕlˈə [key], Neapolitan folk dance that first appeared in Taranto, Italy, in the 17th cent. It had rapid 6–8 meter with an increasing tempo and was thought to cure the bite of...

spavin

(Encyclopedia)spavin spăvˈĭn [key], disease of horses affecting the hock joint. There are two types—bog spavin, in which the hock joint is distended as a result of the collection of synovial fluid; and bone sp...

arrhythmia

(Encyclopedia)arrhythmia ārĭᵺˈmēə [key], disturbance in the rate or rhythm of the heartbeat. Various arrhythmias can be symptoms of serious heart disorders; however, they are usually of no medical significan...

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