MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Systolic click-murmur syndrome
See: Mitral valve prolapse
Read the definitionRandom terms
Show more- Labor support professional See: Doula (the first meaning)
- Surface EMG A technique in which electrodes are placed on (not into) the skin overlying a muscle to detect the electrical…
- Neonatal sepsis A serious blood bacterial infection in an infant less than 4 weeks of age. Babies with sepsis may be…
- Nerve, pinched See: Nerve compression
- Progressive infantile poliodystrophy Ers: A progressive disease of the nervous system characterized by spasticity (tightness), myoclonus and…
- Thoracotomy An operation to open the chest
- Cation In chemistry, a positively charged ion. Pronounced cat-I-on. A cation is as opposed to an anion, which is a…
- CpG In genetics, a site where cytosine (C) lies next to guanine (G) in the DNA sequence. (The p indicates that C…
- Diet, Atkins A high-protein, high-fat, low-carbohydrate weight-loss diet popularized by Dr. Robert C. Atkins. See: Atkins…
- Fundus, retinal The interior lining of the eyeball, including the retina (the light-sensitive screen), optic disc (the head…
- Centromere The cinched 'waist' of the chromosome essential for the division and the retention of the chromosome in the…
- Sandhoff disease A genetic disorder with symptoms that are very similar to those of Tay-Sachs disease (TSD) and that is…