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).
Reservoir of infection
Any person, animal, plant, soil or substance in which an infectious agent normally lives and multiplies. The reservoir typically harbors the infectious agent without injury to itself and serves as a source from which other individuals can…
Read the definitionRandom terms
Show more- Valve, tricuspid One of the four heart valves, the tricuspid valve is the first one that blood encounters as it enters the…
- Angina, variant Angina, variant: Chest pain due to coronary artery spasm, a sudden constriction of a coronary artery (one of…
- Myc- The plural of mycelium.
- Uterus The uterus (womb) is a hollow, pear-shaped organ located in a woman's lower abdomen between the bladder and…
- Drug Enforcement Administration (DEA) Every prescription written in the United States bears a DEA number, that of the prescribing doctor, the DEA…
- Media, contrast X-ray dyes used to provide contrast, for example, between blood vessels and other tissue. Commonly spoken of…
- Anemia, Mediterranean Better known today as thalassemia (or as beta thalassemia or thalassemia major). The clinical picture of this…
- Therapy, salvage See: Salvage therapy
- Chorea Ceaseless rapid complex body movements that look well coordinated and purposeful but are, in fact…
- Pathogen, special See: Special pathogen
- Antigen A substance that is capable of causing the production of an antibody. Antigens may or may not lead to an…
- Splicing, alternative See Alternative splicing