Glossary of Terms

A fibroblast is the most common type of cell found in connective tissue. Fibroblasts secrete collagen proteins that are...

An abnormal elevation of temperature. The normal temperature taken orally ranges from about 97.6° to 99.6°F (36.3°C to 37.6°C)....

The Food and Drug Administration is responsible for protecting the public health by ensuring the safety, efficacy, and security...

Fatigue is different from drowsiness. Drowsiness is feeling the need to sleep. Fatigue is a lack of energy and...

Describes a clinical study in which groups of participants receive one of several combinations of interventions. For example, a...

The solid or liquid material that is produced by and surrounds the cells of connective tissues.

A group of participants that receives the intervention that is the focus of the study. Source: ClinicalTrials.gov

The factors (or reasons) that prevent a person from participating in a clinical study. Source: ClinicalTrials.gov

Outside of the living body. Refers to a medical procedure in which an organ, cells, or tissue are taken...

The study of the causes of disease. The cause of a disease.

A nonspecific laboratory test used as a marker of inflammation. In this test, the speed at which erythrocytes settle...

Reddening of the skin. Erythema is a common but nonspecific sign of skin irritation, injury, or inflammation. It is...