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).
Universal donor
A person who is type O in the ABO blood group system and can donate blood to all recipients
Read the definitionRandom terms
Show more- IgE Immunoglobulin E, a class of immunoglobulins that includes the antibodies elicited by an allergic substance…
- Genome, Drosophila See: Drosophila genome
- Aneurysm, arterial An aneurysm involving an artery. As opposed to a venous aneurysm or a cardiac aneurysm. An aneurysm is a…
- Syndrome, Shulman's (Eosinophilic fasciitis) A disease which leads to inflammation and thickening of the skin and fascia. (The fascia is a lining tissue…
- Neonatology The art and science of caring medically for the newborn.
- Plasma The liquid part of the blood and lymphatic fluid, which makes up about half of its volume. Plasma is devoid…
- Toothache Toothache: Pain in or near a tooth. Also called odontalgia. The most common cause of a toothache is a dental…
- Radium The celebrated radioactive element discovered by Marie and Pierre Curie in 1898
- Pancreatic alpha cell A type of cell in the pancreas (the organ of the digestive system located behind the stomach). Within the…
- CCR5 A chemokine receptor found on monocytes and lymphocytes that serves as the coreceptor for HIV. HIV strains…
- Irritant contact dermatitis Dermatitis: A rash brought about by constant irritation from a substance. For example, anyone who washes…
- Antinuclear antibody Antinuclear antibody: An unusual antibody that is directed against structures within the nucleus of the cell…