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).
Stricture of the esophagus, chronic
A narrowing or closure of the normal opening of the swallowing tube leading to the stomach, usually caused by scarring from acid irritation. A common complication of chronic gastroesophageal reflux disease (GERD). Several procedures are…
Read the definitionRandom terms
Show more- Fragile X syndrome Fragile X syndrome: One of the most common causes of inherited mental retardation and neuropsychiatric…
- HEPA Acronym that stands for High-Efficiency Particulate Air and for High-Efficiency Particulate Arrestor. HEPA…
- Vitamin therapy The use of vitamins to prevent or cure disease. Many physicians are now recognizing the beneficial uses of…
- ER 1. Emergency room. 2. Endoplasmic reticulum. 3. Estrogen receptor. 4. Extended release.
- Intestinal gas Intestinal gas: The complaint referred to as 'intestinal gas' is a common one and the discomfort can be quite…
- Vitamin Q10 See: Coenzyme Q10
- Vitiligo Vitiligo: Pronounced vit-uh-LIE- go. A condition in which the skin turns white due to the loss of…
- Hip replacement, total Hip replacement, total: Surgery in which the diseased ball and socket of the hip joint are completely removed…
- Hyperthermia : Overheg of the body. This may be due to extreme weather conditions. Unrelieved hyperthermia can lead to…
- Gigantism, eunuchoid Extremely tall stature due to the delayed onset of puberty which permits the continued growth of the long…
- Acute radiation syndrome An acute illness caused by a dose greater than 50 rads of penetrating radiation to most or all of the body in…
- Segawa dystonia Dystonia: An important variant form of dopa-responsive dystonia (DRD). DRD typically begins in childhood or…