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).
Snellen's chart
The familiar eye chart used to measure how well you see at various distances. Snellen's chart is imprinted with block letters that line-by-line decrease in size, corresponding to the distance at which that line of letters is normally…
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Show more- Dermatitis and diarrhea, zinc deficiency Diarrhea, zinc deficiency:Among the consequences of zinc deficiency, dermatitis (skin inflammation) and…
- Materia medica 1. The ingredients used to make medications, whether those be for medicine, homeopathy, herbal medicine, or…
- Medication, antibiotic A drug used to treat bacterial infections. The original definition of an antibiotic was a substance produced…
- Silent stroke Stroke: Small strokes that do not cause any symptoms. Silent strokes still damage brain tissue. The most…
- Prealbumin One of several plasma proteins such as transthyretin that migrate faster than albumin in an acidic starch gel
- Nasal prosthesis An artificial device to replace part or all of a missing nose
- Streptococcus A group of bacteria, familiarly known as strep, that cause a multitude of diseases. The name comes from the…
- Reflux, esophageal A condition wherein stomach contents regurgitate or back up (reflux) into the esophagus (a long cylindrical…
- Sore, cold A small sore situated on the face or in the mouth that causes pain, burning, or itching before bursting and…
- Hallux valgus A big toe (the hallux) that is bent outward (valgus) so it overlaps the 2nd toe. A bunion is a localized…
- Iodine excess Just as too little iodine can cause thyroid disease, so may prolonged intake of too much iodine also lead to…
- Pulled elbow See: Nursemaid's elbow