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).
Xanthoma
Yellowish firm nodules in the skin frequently indicating underlying disease, such as diabetes, disorder of fats (lipid disorder or hyperlipidemia), or other conditions. A xanthoma is a kind of harmless growth of tissue. Under the…
Read the definitionRandom terms
Show more- Viral myocarditis See: Myocarditis, viral
- Laser coagulation The coagulation (clotting) of tissue using a laser. A coagulation laser produces light in the visible green…
- Menopause transition Menopause transition: A woman can usually tell if she is approaching menopause because her menstrual periods…
- Serration A finely notching like that along the cutting edge of a saw. The serratus muscles take their name from their…
- Hallucination A profound distortion in a person's perception of reality, typically accompanied by a powerful sense of…
- H. floresiensis See: Homo floresiensis
- Needle stick See: Needlestick injury
- Syndrome, HDR The syndrome of familial Hypoparathyroidism, sensorineural Deafness, and Renal dysplasia. Inherited as an…
- Ortho- (prefix) Prefix meaning straight or erect. From the Greek 'orthos' that means just that: straight or erect. Examples…
- Desiccate To remove the moisture from a thing that normally contains moisture, such as a plant; to dry out completely…
- Rock (drug) A street name given to cocaine that has been processed from cocaine hydrochloride to a ready-to-use free base…
- Hapten In immunology, a molecule that is incapable, alone, of causing the production of antibodies but which can do…