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).
Spasm
A brief, automatic jerking movement. A muscle spasm can be quite painful, with the muscle clenching tightly. A spasm of the coronary artery can cause angina. Spasms in various types of tissue may be caused by stress, medication…
Read the definitionRandom terms
Show more- Eyedrop test There are many types of eyedrops and many types of eyedrop tests. One of the most common eyedrop tests is…
- Casein The main protein found in milk and other dairy products
- Cloaca A common passageway for feces, urine and reproduction. At one point in the development of the human embryo…
- Ectodermosis erosiva pluriorificialis See: Stevens-Johnson syndrome.
- Artery, pulmonary See: Pulmonary artery
- Methylmalonicaciduria An inherited metabolic (biochemical) disease that causes young children to become mentally retarded. The…
- ODD syndrome Oculodentodigital dysplasia
- PLGF Placental growth factor
- Periosteum The periosteum is a dense membrane composed of fibrous connective tissue that closely wraps (invests) all…
- Neuraminidase inhibitor A drug that inhibits the enzyme called neuraminidase. For example, oseltamivir (Tamiflu), an antiinfluenza…
- HHT Abbreviation for the disease called hereditary hemorrhagic telangiectasia. See: Hereditary hemorrhagic…
- Bug, kissing See: Kissing bug