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).
Polyarteritis nodosa
Polyarteritis nodosa: An autoimmune disease (immune system attacking its own body) characterized by spontaneous inflammation of the arteries (arteritis) of the body. Because arteries are involved, the disease can affect any organ of the…
Read the definitionRandom terms
Show more- Hormone, human chorionic gonadotropin A group of hormones, the most important being aldosterone, that regulate the balance of water and…
- Syndrome, TAR TAR stands for Thrombocytopenia (low blood platelets) and Aplasia (absence) of the Radius (the long bone on…
- Medicine, geriatric The branch of medicine concerned with the diagnosis, treatment and prevention of disease in older people and…
- Ephelides The plural of ephelis, a type of freckle. Ephelis and ephelides are among the many medical terms that are…
- Artificial insemination by donor (AID) A procedure in which a fine catheter (tube) is inserted through the cervix (the natural opening of the…
- Lamarckism The theory of acquired characteristics put forth by Jean-Baptiste P.A. Lamarck (1744-1829), a French…
- Sleeping sickness, African See: African sleeping sickness
- Fever, Q Quintan means recurring every 5 days, the characteristic duration of trench fever. Quintan or trench fever is…
- Monilia A yeast-like fungus now called Candida.
- Darier disease A genetic skin disease characterized by slowly progressive hardening of the skin (keratoses) around the hair…
- Medical Research Council Although little known to the general public, the American Type Culture Collection (ATCC) is a key resource…
- Mutagen Something capable of causing a gene-change. Among the known mutagens are radiation, certain chemicals and…