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).
OPV
Oral polio vaccine. See Polio vaccine, oral
Read the definitionRandom terms
Show more- Labyrinth The maze of canals in the inner ear. The labyrinth is the portion of the ear that is responsible for sensing…
- Coated stent Also known as a medicated stent. A tiny cage coated with a drug to prop open an artery and prevent it from…
- Genome, bee See: Honey bee genome
- ZAP-70 Zeta-chain-associated protein kinase 70. A member of the protein tyrosine kinase family, ZAP-70 is normally…
- Diving injury An injury incurred from diving into water that is too shallow or has hidden hazards. These injuries may be to…
- Heart The muscle that pumps blood received from veins into arteries throughout the body. It is positioned in the…
- Histoplasma See: Histoplasma.
- HBV Hepatitis B virus. A virus which primarily causes inflammation of the liver. The hepatitis B virus can be…
- Oligodendroglioma A rare slow-growing type of brain tumor that begins in cells called oligodendrocytes, which provide support…
- Exclamation point hair Exclamation point hair is a key diagnostic finding in a disorder called alopecia areata. Alopecia areata is…
- Scrofulous 1. Literally, relating to scrofula (tuberculosis of the lymph nodes, particularly of the neck). 2…
- Ligand A molecule that binds to another. Often, a soluble molecule such as a hormone or neurotransmitter that binds…