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).
Spinal muscular atrophy
A genetic disease characterized by progressive loss of lower motor neurons (anterior horn cells) in the spinal cord, resulting in symmetric muscle weakness and atrophy. The onset of the progressive muscle weakness ranges greatly in age…
Read the definitionRandom terms
Show more- Third cranial nerve
- Post-polypectomy After a polypectomy
- Vein, inferior vena cava A large vein that receives blood from the lower extremities, pelvis and abdomen and empties it into the right…
- Embryo The organism in the early stages of growth and differentiation from fertilization to, in humans, the…
- Disease, Creutzfeldt-Jakob (CJD) A dementing disease of the brain. It is believed due to an unconventional (not a bacteria or virus)…
- Metabolic diseases, inherited Also called inborn errors of metabolism, these are heritable (genetic) disorders of biochemistry. Examples…
- Short arm of a chromosome The short arm of a human chromosome is symbolized by convention as 'p'. The 'p' comes from the French 'petit'…
- ATCC (American Type Culture Collection) >Algae & Protozoa >Bacteria & Bacteriophages >Cultured Cell Lines & Hybridomas >Fungi &…
- Papillomavirus, human Pregnancy-associated plasma protein A.
- Genitalia, male See: Male genitalia
- Fibulin 5 A protein that belongs to a family of extracellular proteins expressed in the basement membranes of blood…
- Cancer, colon A malignancy that arises from the inner lining of the colon. Most, if not all, of these cancers develop from…