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).
Viral encephalitis
Inflammation of the brain as a result of virus infection. There are many viruses that cause viral encephalitis
Read the definitionRandom terms
Show more- Trait, sickle cell A person who possess one copy of the gene for sickle cell anemia. This person carries the gene but does not…
- Tamponade, esophagogastric A procedure in which a balloon is inflated within the esophagus or stomach to apply pressure on bleeding…
- Prostheses More than one prosthesis. See: Prosthesis
- Osler-Rendu-Weber syndrome See: Hereditary hemorrhagic telangiectasia
- Gaucher disease, type 1 Gaucher disease, type 1: The most common and best known form of Gaucher disease. It affects the spleen…
- Separation anxiety disorder Excessive anxiety concerning separation from home or from those to whom a child is attached. The child may…
- Racemose A descriptive term for something that is in a cluster or bunch. From the Latin 'racemus' meaning 'a cluster…
- Node Literally a knot, a node is a collection of tissue. For example a lymph node, is a collection of lymphoid…
- Poisoning, mercury The metallic element mercury is poisonous to humans. Mercury poisoning can occur in both acute and chronic…
- Penicillin Penicillin: The most famous of all antibiotics, named for the fungal mold Penicillium notatum from which it…
- Gonad A reproductive gland (ovary or testis) that produces germ cells (gametes). In embryonic life, the gonad in…
- Blood blister A blister full of blood due to a pinch, bruise or repeated friction. A blister is medically termed a vesicle…