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).
Sex-determining region, Y
See: Y sex-determining region
Read the definitionRandom terms
Show more- Prealbumin One of several plasma proteins such as transthyretin that migrate faster than albumin in an acidic starch gel
- Erythroleukemia A form of acute myeloid leukemia (AML) involving the cells that give rise to the erythrocytes (the red blood…
- Ectoparasite A parasite that lives on or in the skin but not within the body. Fleas and lice are ectoparasites…
- Neurobiological disorder An illness of the nervous system caused by genetic, metabolic, or other biological factors. Many illnesses…
- Appendiceal rupture Rupture of appendix
- Strait 1. (adjective) Narrow or confined. As in straitjacket. 2. (noun) A narrow passageway. As in the pelvic strait.
- Trauma Any injury, whether physically or emotionally inflicted. 'Trauma' has both a medical and a psychiatric…
- Speech therapy The treatment of speech and communication disorders. The approach used depends on the disorder. It may…
- Automated external defibrillator A device that automatically analyzes the heart rhythm and, if it detects a problem that may respond to an…
- Calipers A metal or plastic tool similar to a compass used to measure the diameter of an object. The skin fold…
- Arthralgia Pain in the joints. There are many possible causes of pain in a joint. The Greek 'algos' means 'pain.
- Sickle cell trait The condition in which a person has one copy of the gene for sickle cell (and is called a sickle…