MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Clinical investigator
A medical researcher who carries out a clinical trial or another type of clinical research
Read the definitionRandom terms
Show more- Hypertrophic Exhibiting hypertrophy (enlargement or overgrowth of an organ or part of the body due to increased size of…
- Invasive cervical cancer Cancer that has spread from the surface of the cervix to tissue deeper in the cervix or to other parts of the…
- Fatty acid One of many molecules that are long chains of lipid-carboxylic acid found in fats and oils and in cell…
- Laryngeal framework surgery A surgical technique designed to improve the voice by altering the cartilages of the larynx (the voice box)…
- CDHR Center for Devices & Radiological Health, part of the FDA (the US Food & Drug Administration)
- Nonpathogenic Incapable of causing disease. Nonpathogenic bacteria are harmless. By contrast, pathogenic bacteria can cause…
- Debilitate To impair the strength or to enfeeble. A chronic progressive disease may debilitate a patient. So may…
- Leukemia Leukemia: Cancer of the blood cells. The growth and development of the blood cells are abnormal. Strictly…
- Lipoidosis, sphingomyelin Also called Niemann-Pick disease, this is a disorder of the metabolism of a lipid (fat) called sphingomyelin…
- Immunization, hepatitis B Hepatitis B (hep B) vaccine gives prolonged protection, but 3 shots over a half year are usually required. In…
- Epidemic myalgia Also known as Bornholm disease, this is a temporary illness that is a result of virus infection. The disease…
- Stress echocardiography Stress echocardiography: A supplement to the routine exercise cardiac stress test. During stress…