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).
Ventricular tachycardia
An abnormally rapid heart rhythm that originates from a ventricle, one of the lower chambers of the heart. Although the beat is regular, ventricular tachycardia is life-threatening because it can lead to a dreaded condition, ventricular…
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Show more- Placenta, succenturiate An extra placenta separate from the main placenta. In anatomy 'succenturiate' means accessory to an organ. In…
- Tache noire Black spot (in French), a small ulcer covered with a black crust at the site of a tick bite, characteristic…
- Test, eyedrop There are many types of eyedrops and many types of eyedrop tests. One of the most common eyedrop tests is…
- Neuroblastoma Neuroblastoma: A leading childhood form of cancer that arises in the adrenal gland or in tissue in the…
- MDI 1. Metered-dose inhaler; 2. Multiple daily injections; 3. Mental developmental index, as in 'the Bayley…
- FMO3 Abbreviation for the enzyme, flavin-containing monooxygenase-3. See Fish-odor syndrome
- Vector, cloning A DNA molecule originating from a virus, a plasmid (see below) or the cell of a higher organism into which…
- Penis, inflammation of the head of the Inflammation of the rounded head (the glans) of the penis is called balanitis. In the uncircumcised male…
- Leaded petrol See: Tetraethyl lead
- Symphysiotomy A surgical procedure to effect an immediate dramatic increase in the size of the pelvic outlet to permit…
- Migraine headache Migraine headache: The most common type of vascular headache involving abnormal sensitivity of arteries in…
- PEJ Percutaneous endoscopic jejunostomy