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).
Esophageal ulcer
A hole in the lining of the esophagus corroded by the acidic digestive juices secreted by the stomach cells. Ulcer formation is related to H. pyloridus bacteria in the stomach, anti-inflammatory medications, and smoking cigarettes. Ulcer…
Read the definitionRandom terms
Show more- Artificial pancreas A machine that constantly measures the level of glucose (sugar) in the blood and, in response to an elevated…
- Hemoglobin Hemoglobin: The oxygen-carrying pigment and predominant protein in the red blood cells. Hemoglobin forms an…
- Achalasia Our Achalasia Main Article provides a comprehensive look at the who, what, when and how of Achalasia…
- Pernicious vomiting of pregnancy Medically known as hyperemesis gravidarum, this is excessive vomiting in early pregnancy. By definition…
- Shoulder dystocia Halt to spontaneous delivery because the baby's shoulder is wedged behind the mother's pubis, due usually to…
- Carcinoma, Merkel cell Carcinoma, Merkel cell: An infrequent but highly malignant type of skin cancer. Characteristically starts in…
- Anterior cruciate injury A knee injury involving the anterior cruciate ligament (ACL). The ACL runs diagonally across the front of the…
- Mortality rate, infant The number of children dying under a year of age divided by the number of live births that year. The infant…
- Arthritis, psoriatic Joint inflammation associated with psoriasis
- Chlorinated camphene See: Toxaphene
- Brain edema See: Cerebral edema
- Car booster seat A car seat for a child who has outgrown both an infant seat and a toddler seat. The US National Highway…