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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Cat scratch fever
A bacterial infection due to a cat scratch seen most often today in people with HIV. The disease characteristically presents with swollen lymph nodes (lymphadenitis), sore throat, fatigue, and fever, chills, sweats, vomiting, loss of…
Read the definitionRandom terms
Show more- Knockout Inactivation of specific genes. Knockouts are often created in laboratory organisms such as yeast or mice so…
- Rheumatism, generalized Rheumatism affecting many and diverse parts of the body, such as fibromyalgia
- Lead-based paint Paint or other surface coatings that, by definition, contain lead in excess of 1.0 milligrams per square…
- Marker, tumor Tumor markers are substances that can be detected in higher-than-normal amounts in the blood, urine, or body…
- Mitral valve A valve in the heart situated between the left atrium and the left ventricle that permits blood to flow from…
- Comorbidity The coexistence of two or more disease processes.
- Stenotic Narrowed, as in a stenotic artery. From the Greek 'stenos' meaning narrow
- Valgum See: Valgus
- Fong disease See Nail-patella syndrome
- DM Myotonic dystrophy
- Choanal Pertaining to the choana, the passageway from the back of one side of the nose to the throat. The choana is…
- Necrobiosis lipoidica diabeticorum A dull red raised area on the skin that evolves into a shiny scar with a violet border, most often on the…