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).
Rh incompatibility
The difference in Rh blood group types between an Rh negative mother and her Rh positive baby that leads to hemolytic disease of the newborn. The mother and baby's Rh blood group types are therefore said to be 'incompatible.' The red blood…
Read the definitionRandom terms
Show more- Hiatus An opening, as in the diaphragm. When there is an unusually wide opening in the diaphragm, there can be a…
- Separation anxiety Separation anxiety: A developmental stage during which a child experiences anxiety when separated from the…
- QNS On a lab report, Quantity Not Sufficient. The sample is not large enough to do the test
- GDB The Genome Database (GDB), the official central repository for genomic mapping data resulting from the Human…
- Valve, tricuspid One of the four heart valves, the tricuspid valve is the first one that blood encounters as it enters the…
- Shulman's syndrome (Eosinophilic fasciitis) Disease which leads to inflammation and thickening of the skin and fascia. (The fascia is a lining tissue…
- Cranial arteritis A serious disease characterized by inflammation of the walls of the blood vessels (vasculitis). The vessels…
- Meal moth A moth that infests both stored grain and cereal products. The moth larvae cause damage in corn meal…
- Hypohidrosis Subnormal sweating, less sweating than usual. Hidrosis meaning sweating, so hypohidrosis is literally…
- Tyrosinemia A genetic disorder involving the metabolism of the amino acid tyrosine characterized by abnormally high…
- Chlorinated camphene See: Toxaphene
- Disease names See: Disease nomenclature