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).
Pain unit
A measurement of the intensity of pain. See also: Dol
Read the definitionRandom terms
Show more- Oligospermia Fewer sperm than normal. Azoospermia, by contrast, means absolutely no sperm at all.
- Protein, C-reactive See: Proteolipid protein.
- Do not resuscitate order A request not to have cardiopulmonary resuscitation (CPR) done if the heart stops or breathing ceases. One…
- Aromatase An enzyme involved in the production of estrogen that acts by catalyzing the conversion of testosterone (an…
- Jumper's knee See: Patellar tendonitis
- Impaired glucose tolerance A congenital malformation (a birth defect) in which the rectum is a blind alley (a cul-de-sac) and there is…
- Error of the first kind See: Error, alpha
- Scoliosis, nonstructural A structurally normal spine that appears to have a lateral curve (scoliosis). Nonstructural scoliosis…
- Nullipara A woman who has never given birth to a child.
- Superbug An informal term for a bacterium that has become resistant to antibiotics usually used to treat it, as…
- Trichuris trichiura A nematode (roundworm) also called the human whipworm. The third most common round worm of humans. Occurs…
- Colon The part of the large intestine that runs from the cecum to the rectum as a long hollow tube that serves to…