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).
Endoscopy, upper
A common type of endoscopy is upper endoscopy, also called esophagogastroduodenoscopy (EGD). In this procedure, a thin flexible instrument is advanced through the mouth to evaluate or treat problems of the esophagus, stomach, and beginning…
Read the definitionRandom terms
Show more- Molecular phylogenetics The determination of the rates and patterns of change occurring in DNA and proteins in order to reconstruct…
- Juvenile CML Juvenile chronic myelogenous leukemia. See: Juvenile myelomonocytic leukemia
- Clinical trial See: Clinical trials. See also: Inconclusive clinical trial; Negative clinical trial; Non-inferior clinical…
- Ciguatoxin A seafood toxin that is acquired by eating fish that have consumed toxic single-celled marine organisms…
- Selenium deficiency See Deficiency, selenium
- Cell, antigen-presenting A cell that can 'present' antigen in a form that T cells can recognize it. The cells that can 'present'…
- Vessel A tube in the body that carries fluids: blood vessels or lymph vessels
- Dioxin One of a number of poisonous petroleum-derived chemicals which are produced when herbicides (substances used…
- Organisation Mondiale de la Sante The French name for the World Health Organization (WHO). See: World Health Organization
- FAS gene A gene that encodes one of several proteins important to apoptosis, the normal process through which cells…
- Osteochondroma An abnormal, solitary, benign growth of bone and cartilage, typically at the end of a long bone…
- Symbol of medicine A staff or a rod with a snake curled around it; the staff of Aesculapius, also called Asklepios, the ancient…