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).
Epiglottis
The flap that covers the trachea during swallowing so that food does not enter the lungs. Not everything in medicine is perfectly logical. The name epiglottis was compounded from 'epi-' and '- glottis' from the Greek 'glotta' meaning…
Read the definitionRandom terms
Show more- Altitude, high >High altitude: 8,000 - 12,000 feet (2,438 - 3,658 meters); >Very high altitude: 12,000 - 18,000 feet (3,658…
- Ataxia, cerebellar See: Ataxia
- Amoeba Also ameba. A single-celled (protozoan) organism that constantly changes shape. The word 'ameba' is from the…
- HDV Hepatitis D virus
- Oligodendroglioma A rare slow-growing type of brain tumor that begins in cells called oligodendrocytes, which provide support…
- Family history of colon polyps See: Colon cancer family history
- Superjacent Lying just above or upon. Overlying. The opposite of superjacent is subjacent. Other related terms include…
- Shock, secondary Shock that occurs as a side effect of another problem, such as a crushing injury or heart attack.
- Contractions, Braxton Hicks Irregular contractions of the womb (the uterus) occurring towards the middle of pregnancy in the first…
- Chromaesthesia See: Chromesthesia
- Cardiomyopathy Disease of the heart muscle (the myocardium). From the Greek roots: 'cardio-', heart + 'mys', muscle +…
- Ig Abbreviation for immunoglobulin, a protein produced by plasma cells and lymphocytes. Immunoglobulins are an…