Medical Glossary

This glossary contains:
19186
medical terms

Cluster




Cluster

In epidemiology, an aggregation of cases of a disease or another health-related condition, such as a cancer or birth defect, closely grouped in time and place. The number of cases in the cluster may or may not exceed the expected number. This is determined by cluster analysis, a set of statistical methods used to analyze clusters.

RELATED TERMS
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Epidemiology
Study of the incidence of disease in a population.

Disease
Illness or sickness often characterized by typical patient problems (symptoms) and physical findings (signs). Disruption sequence: The events that occur when a fetus that is developing normally is subjected to a destructive agent such as the rubella (German measles) virus.

Condition
The term "condition" has a number of biomedical meanings including the following: 1.An unhealthy state, such as in "this is a progressive condition." 2.A state of fitness, such as "getting into condition." 3.Something that is essential to the occurrence of something else; essentially a "precondition." 4.As a verb: to cause a change in something so that a response that was previously associated with a certain stimulus becomes associated with another stimulus; to condition a person, as in behavioral conditioning.

Cancer
Any malignant growth or tumor caused by abnormal and uncontrolled cell division; it may spread to other parts of the body through the lymphatic system or the blood stream.

Cluster
In epidemiology, an aggregation of cases of a disease or another health-related condition, such as a cancer or birth defect, closely grouped in time and place. The number of cases in the cluster may or may not exceed the expected number. This is determined by cluster analysis, a set of statistical methods used to analyze clusters.

Analysis
A psychology term for processes used to gain understanding of complex emotional or behavioral issues.



SIMILAR TERMS
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Cluster determinant (CD)
Cluster of antigens with which antibodies react that characterize a cell surface marker.

Cluster headache
A distinctive syndrome of headaches, also known as migrainous neuralgia.



PREVIOUS AND NEXT TERMS
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Clostridium botulinum
A group of rod-shaped bacteria commonly found in the soil that grow best under low oxygen conditions. The bacteria form heat-resistant spores which allow them to survive in a dormant state until exposed to conditions that can support their growth. Clostridium botulinum produces botulinum toxin, a highly potent neurotoxin and the basis of the disease botulism.

Clostridium difficile
A bacterium that is one of the most common causes of infection of the large bowel (colon). In technical terms, Clostridium difficile (C. difficile) is an obligate anaerobic or microaerophilic, gram-positive, spore-forming, rod-shaped bacillus.

Clostridium perfringens
A type of bacteria that is the most common agent of gas gangrene and can also cause food poisoning as well as a fulminant form of bowel disease called necrotizing colitis.

Clotbuster
An informal term for a drug that can dissolve a clot.

Club drug
A drug such as MDMA (Ecstasy), GHB, Rohypnol, ketamine, methamphetamine, and LSD that is used by young adults at all-night dance parties such as "raves" or "trances," dance clubs, and bars.

Cluster

Cluster headache
A distinctive syndrome of headaches, also known as migrainous neuralgia.

CM (coccidioidomycosis)
A disease due to a fungus called Coccidioides immitis. About 40% of people infected with this fungus develop symptoms. Most often they have an influenza-like illness with fever, cough, headaches, rash, and myalgias (muscle pains). Of those people with symptoms, 8% have severe lung disease requiring hospitalization and 7% develop disseminated infection (throughout the body).

CMG2
Capillary morphogenesis gene 2, a transmembrane protein that is induced during capillary morphogenesis (the development of capillaries). Mutations in CMG2 cause infantile systemic hyalinosis and juvenile hyaline fibromatosis.

CML
Chronic myelogenous leukemia, which is also known as chronic myeloid leukemia and chronic myelocytic leukemia.

CNM
Certified Nurse-Midwife.

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This dictionary contains 19186 terms.







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