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).
Proctitis
Inflammation of the rectum. This may be due to a considerable number of causes, among them infectious agents and ulcerative colitis. Infectious proctitis is often due to agents such as Chlamydia trachomatis, Neisseria gonorrheae (the…
Read the definitionRandom terms
Show more- Palpitations Palpitations: Unpleasant sensations of irregular and/or forceful beating of the heart. In some patients with…
- Human herpesvirus 5 See cytomegalovirus.
- Extubation The process of removing a tube from a hollow organ or passageway, often from the airway. The opposite of…
- Syndrome, WPW WPW is an abbreviation for the Wolff-Parkinson-White syndrome, a condition caused by an abnormality in the…
- Genome, Yersinia pestis See: Plague bacterium genome
- Greek medicine Medicine in Greece and the Greek world. The foundations of much of modern Western medicine lie in classical…
- Disorder, borderline personality A serious mental illness characterized by pervasive instability in moods, interpersonal relationships…
- Upper GI series Upper GI series: A series of x-rays of the esophagus, stomach, and small intestine (upper gastrointestinal…
- Holt-Oram syndrome A genetic syndrome characterized by the combination of heart disease and malformations of the upper limb. The…
- Hyperplasia A condition in which there is an increase in the number of normal cells in a tissue or organ
- Beat, premature See: Extrasystole
- Muscle, papillary Small muscles within the heart that anchor the heart valves. The anchor ropes are the chordae tendineae…