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).
Crick-Brenner experiment
An elegant and important experiment performed in 1961 by Francis Crick and Sydney Brenner. The experiment proved that the genetic code was a triplet code and that the triplets were not separted by 'punctuation.' Crick and Brenner…
Read the definitionRandom terms
Show more- Human gene map The locations of the human genes. The location of each gene is called a locus (plural: loci). The total…
- Deafness with goiter Deafness with goiter: See Pendred syndrome
- Anus, imperforate A congenital malformation (a birth defect) in which the rectum is a blind alley (a cul-de-sac) and there is…
- Melan- (prefix) Prefix meaning dark or black. It comes from the Greek 'melas', black. Examples of terms containing melan-…
- Red cell distribution width A measurement of the variability of red blood cell size. Higher numbers indicate greater variation in size…
- Muromonab-CD3 A murine monoclonal antibody. See: OKT3
- Cushing syndrome Cushing syndrome: The constellation of symptoms and signs caused by an excess of cortisol hormone. Cushing…
- CD4 A large glycoprotein molecule found on the surface of T lymphocytes that serves as the receptor for HIV. The…
- Corpus callosum, agenesis of the See: Agenesis of the corpus callosum
- Thigh bone The thigh bone in anatomy is called the 'femur.' Whichever term you care to use -- thigh bone or femur, it is…
- Conjunctival fornix The fornix of the conjunctivae refers to loose arching folds connecting the conjunctival membrane lining the…
- Prosthesis, auditory See: Auditory prosthesis