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).
Cystic acne
Acne: This is a type of localized infection (abscess) formed when oil ducts become clogged and infected. Cystic acne is most common in the teenage years. Treatment includes avoiding irritants on the face, including many cleansers and…
Read the definitionRandom terms
Show more- Caudate nucleus In each hemisphere of the brain, the most medial of the four basal ganglia, partly responsible for body…
- HCV PCR genotype test See: HCV PCR
- D-IBS Diarrhea-predominant IBS (irritable bowel syndrome)
- Group B streptococcus infection A major cause of infections, including infections involving the pregnant woman and her newborn infant. Strep…
- Metapneumovirus, human See: Human metapneumovirus
- Y-linked inheritance Inheritance of genes on the Y chromosome. Since only males normally have a Y chromosome, Y-linked genes can…
- The South Beach Diet The South Beach Diet is a weight loss plan described by cardiologist Arthur Agatston, MD in a best-selling…
- Thelarche The beginnings of breast development at puberty. Thelarche is now a normal event at an earlier age (e.g., age…
- The Lancet A weekly medical journal headquartered in London. Published uninterruptedly and with the same title since…
- Colostomy An alternative exit from the colon created to divert waste through a hole in the colon and through the wall…
- Visual field test Visual field test: A test which measures the extent and distribution of the field of vision. The visual field…
- Sweat test A simple test that is used to evaluate a patient who is suspected of having cystic fibrosis (CF). The goal of…