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).
Asbestosis
A condition featuring scarring of the lungs caused by inhaled asbestos fibers. Asbestosis is irreversible. It tends to lead to COPD (chronic obstructive pulmonary disease), a progressive disorder that can be disabling or fatal. When…
Read the definitionRandom terms
Show more- Noncoding DNA The strand of DNA that does not carry the information necessary to make proteins. DNA normally has two…
- Sprained ankle Sprained ankle: See: Ankle sprain.
- Exudative angina Angina: This has nothing whatsoever to do with the usual type of angina (angina pectoris) which is chest pain…
- T lymphocyte, cytotoxic See: Cytotoxic T-lymphocyte
- Retrovirus An RNA virus (a virus composed not of DNA but of RNA). Retroviruses have an enzyme called reverse…
- Neutral foot type The most common type of foot. A runner with a neutral type of foot lands on the heel and rolls forward during…
- Phagocytosis The process by which a cell engulfs particles such as bacteria, other microorganisms, aged red blood cells…
- Major A major may be an officer in the military but, in a larger sense, it can be anything that is more than…
- Janus kinase 3 See: JAK3
- Plague genome All of the DNA (the genome) of the bacterium Yersinia pestis that causes the plague, consisting of four rings…
- Secondary atelectasis Partial or total collapse of a lung or a segment of a lung that was once expanded, as may happen after chest…
- Pleiotropic cytokine Cytokine that affects the activity of multiple cell types. A cytokine is a small protein that has a specific…