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).
Ba
The symbol for barium
Read the definitionRandom terms
Show more- Aldosterone A hormone made by the outer portion (cortex) of the adrenal gland that regulates the balance of salt and…
- Phagedenic gingivitis This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Basal cells Small, round cells found in the lower part, or base, of the epidermis, the outer layer of the skin
- Whitmore-Jewett staging system A staging system for prostate cancer. See Jewett staging system
- Glaucoma, symptoms of At first, there are no symptoms. Vision stays normal, and there is no pain. However, as the disease progress…
- Ductus A duct or walled passageway suitable for the conveyance of air or, more often in the body, liquids. The term…
- Acetylcholinesterase An enzyme that breaks down the neurotransmitter acetylcholine at the synaptic cleft (the space between two…
- Hemorrhage Bleeding or the abnormal flow of blood. The patient may have an internal hemorrhage that is invisible or an…
- Adult respiratory distress syndrome Better known as ARDS. See: ARDS
- Genome, fruitfly See: Drosophila genome
- Anxiety disorder, social Excessive fear of embarrassment in social situations that is extremely intrusive and can have debilitating…
- Syndrome, von Hippel-Lindau See Von Hippel-Lindau syndrome