MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Disease, graft-versus-host
A reaction of donated bone marrow against a patient's own tissue. Also called GVHD
Read the definitionRandom terms
Show more- Tendo Achilles See: Achilles tendon
- Exaggerated startle disease A genetic disorder also known as hyperexplexia in which babies have an exaggerated startle reflex (reaction)…
- Incus One of the three tiny bones in the middle ear. Sound impulses coming from the eardrum are conveyed from the…
- Undulate To have a wavy border or form. Also, to rise and fall like a wave. For example, the border of a wound may…
- Phago- Fix): Eating, devouring. From the Greek 'phago' meaning 'to eat.' Examples of words starting with phago-…
- Respiratory failure Inability of the lungs to perform their basic task of gas exchange, the transfer of oxygen from inhaled air…
- Camelpox A severe disease of camels in northern Africa and southwestern Asia caused by the camelpox virus. This virus…
- Xiphoid process A pointed cartilage attached to the lower end of the breastbone or sternum, the smallest and lowest division…
- Memory, recent Short-term memory. Also called working memory. Recent memory is a system for temporarily storing and managing…
- Alpers disease A progressive disease of the nervous system characterized by spasticity (tightness), myoclonus and dementia…
- Urticaria Another name for the hives. Raised, itchy areas of skin that are usually a sign of an allergic reaction…
- Periodontitis Gum disease. The word 'periodontitis' literally means 'inflammation around the tooth.' Periodontitis and all…