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).
Biosafety level
A specific combination of work practices, safety equipment, and facilities which are designed to minimize the exposure of workers and the environment to infectious agents. The biosafety levels are: > >Level 1 -- This level applies to…
Read the definitionRandom terms
Show more- Video-assisted surgery A distinctive syndrome of headaches, better known today as cluster headache. There are two main clinical…
- Saphenous vein, small The smaller of the two saphenous veins, the principal veins that run up the leg superficially (near the…
- Board certified Board certified in medicine means a physician has taken and passed a medical specialty examination. Board…
- Aneurysm, venous An aneurysm involving a vein. As opposed to an arterial aneurysm or a cardiac aneurysm. An aneurysm is a…
- Abortion, artificial An abortion that is brought about intentionally. Also called an induced or therapeutic abortion. As opposed…
- Mastocyte A mast cell
- Positive-strand RNA virus Also known as a sense-strand RNA virus, a virus whose genetic information consists of a single strand of RNA…
- Roentgen, Wilhelm Wilhelm Conrad Rontgen (1845-1923), German-born, Dutch-educated physicist who first observed and documented…
- Sigmoidoscopy, flexible Inspection of the inside of the rectum and lower part of the colon using a thin flexible lighted tube (a…
- Ambiguous genitalia Genitalia that are neither typically female nor typically male. Also known as intersexual genitalia. Girls…
- HPS 1. Hantavirus pulmonary syndrome.2. Hermansky-Pudlak syndrome
- International normalized ratio An international unit (IU) is an internationally accepted amount of a substance. This type of measure is used…