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).
Speech disorder
A disorder affecting the ability to produce normal speech. Speech disorders may affect articulation (phonetic or phonological disorders); fluency (stuttering or cluttering); and/or voice (tone, pitch, volume, or speed). Most speech…
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Show more- Salicylic acid A substance obtained from plants (white willow back and wintergreen leaves) and also synthesized which is…
- Retinal pigment epithelium The pigment cell layer that nourishes the retinal cells. The retinal pigment epithelium is located just…
- Abuse, elder See: Elder abuse
- PTC (percutaneous transhepatic cholangiography) See: Cholangiography, percutaneous transhepatic
- Thomas, Lewis (1913-1993) American physician, biologist, and eminent essayist. Thomas graduated from Princeton University…
- Amputation Removal of part or all of a body part enclosed by skin. For example, removal of part of a finger or an entire…
- Venereal Disease Research Laboratory test A blood test for syphilis. Venereal Disease Research Laboratory is commonly abbreviated VDRL. A negative…
- Dumdum fever Also called kala-azar, a chronic, potentially fatal parasitic disease of the viscera (the internal organs)…
- Hepatitis, viral Liver inflammation caused by viruses. Specific hepatitis viruses have been labeled A, B, C, D, E, F, and G…
- Fear of water An abnormal and persistent fear of water. Sufferers of aquaphobia experience anxiety even though they realize…
- Frailty syndrome A condition, seen particularly in older patients, characterized by low functional reserve, easy tiring…
- Viral hemorrhagic fever Viral hepatitis is liver inflammation caused by viruses. Specific hepatitis viruses have been labeled A, B…