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).
Stain, Gram
The Danish bacteriologist J.M.C. Gram (1853- 1938) devised a method of staining bacteria using a dye called crystal (gentian) violet. Gram's method helps distinguish between different types of bacteria. The gram-staining characteristics of…
Read the definitionRandom terms
Show more- CFTR Cystic fibrosis conductance regulator. Mutations in the gene for CFTR are responsible for cystic fibrosis…
- Assembly, DNA The process of putting fragments of DNA that have been sequenced into their correct chromosomal positions…
- Immunization, mumps Mumps: See Immunization, MMR
- Caspase-3 See: Caspase 3
- Stargardt disease An hereditary eye disease that is one of the most frequent causes of macular degeneration in childhood. (The…
- Secondary cataract See: Cataract, secondary
- Behcet's syndrome Behcet's syndrome: A chronic inflammatory disorder involving the small blood vessels which is characterized…
- Clavus Synonymous with corns. The word 'clavus' is the Latin word for nail
- Leg, upper The upper leg is the superior (top) segment of the leg: the part above the knee. As compared to the lower leg…
- Achondroplasia Our Achondroplasia Main Article provides a comprehensive look at the who, what, when and how of…
- Ricketts, Howard T. American pathologist and pioneering infectious disease expert (1871-1910) who was the first to establish the…
- Bed blocker A patient who uses a hospital bed for a long period of time because they are chronically ill. The patient…