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).
Zeitgeber
An environmental agent or event that provides the cue for setting or resetting a biological clock. To be synchronized with our environment, we need the input of Zeitgebers. The most important Zeitgeber in nature is light. Social factors…
Read the definitionRandom terms
Show more- UL 1. Upper lid (of the eye). 2. Upper limit. No evidence was found for chronic excess intakes of potassium in…
- Caesarian section, vaginal birth after It was once the rule that after a C-section, the next delivery also had to be by C-section. Now vaginal…
- Finished DNA sequence A DNA sequence in which the bases are identified to an accuracy of no more than 1 error in 10,000 and are…
- Tanapox A poxvirus infection common in equatorial Africa. The disease starts with mild fever for 2 to 4 days…
- Clinical Research Center (CRC) A key resource for clinical research. Also called a General Clinical Research Center (GCRC). One in a…
- Cancer, cervix See: Cervical cancer
- Prosthesis, cleft palate See: Cleft palate prosthesis
- Disease, Jakob-Creutzfeldt A transmissible degenerative brain disorder technically termed spongiform encephalopathy. Eating 'mad cow'…
- Base in DNA A unit of the DNA. There are 4 bases: adenine (A), guanine (G), thymine (T), and cytosine (C). The sequence…
- Glass eye 1. A globe of glass that looks like and is intended to replace the eyeball.2. By extension, a real eye that…
- Neonatal lupus A lupus-like disease in a baby due to the transfer through the placenta of lupus antibodies from the mother…
- Breech The buttocks