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).
Hepatitis
Inflammation of the liver caused by the hepatitis A virus (HAV). HAV is usually transmitted from person to person by food or drink that has been contaminated with the stool of a person with hepatitis A. This type of transmission is called…
Read the definitionRandom terms
Show more- Isochromosome An abnormal chromosome with two identical arms due to duplication of one arm and loss of the other arm…
- Tetrahydrogestrinone A 'designer steroid' with anabolic properties. Known as THG
- Paternal age The age of the father at the time he conceives a child. The present mean (average) paternal age is 27 years…
- Tarsal tunnel syndrome A type of compression neuropathy (nerve disease due to compression of the nerve) in the ankle and foot…
- MCAF Monocyte chemotactic and activating factor. See: MPC1
- Ankylosis Stiffness or, more often, fusion of a joint. From the Greek ankylsis, meaning stiffening of a joint
- Trans fatty acid An unhealthy substance, also known as trans fat, made through the chemical process of hydrogenation of oils…
- Waldenstrom macroglobulinemia A chronic low-grade (indolent) type of lymphoma due to a malignant clone of plasma cells. These plasma cells…
- Lepra 1. Leprosy (Hansen disease) 2. Before the mid 19th century, psoriasis.The acronym LEPRA stands for the…
- Institute, National Eye (NEI) One of the US National Institutes of Health, NEI's mission is to 'conduct and support research, training…
- Parasitic Having to do with a parasite, as in a parasitic infection; or acting like a parasite by taking nourishment…
- Weight loss Weight loss is a decrease in body weight resulting from either voluntary (diet, exercise) or involuntary…