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).
Bi-
Prefix meaning two, as in biceps or bicuspid
Read the definitionRandom terms
Show more- Fibril The diminutive of fiber. A small fiber, a fine thread
- Fertilization Fertilization is the process of combining the male gamete, or 'sperm,' with the female gamete, or 'ovum.' The…
- Percutaneous endoscopic gastrostomy (PEG) Percutaneous endoscopic gastrostomy (PEG): A surgical procedure for placing a feeding tube without having to…
- Rheumatoid factor Rheumatoid factor: Rheumatoid factor is an antibody that is measurable in the blood. It is commonly used as a…
- Enzyme defect A disorder resulting from a deficiency (or functional abnormality) of an enzyme. In 1902 Archibald Garrod…
- Rate, erythrocyte sedimentation A sedimentation rate, or 'sed rate', is a blood test that detects and is used to monitor inflammation…
- Thyroiditis Thyroiditis: Inflammation of the thyroid gland which is located in front of the neck: NTER> The inflamed…
- Immunoglobulin A A major class of immunoglobulins found in serum and external body secretions such as saliva, tears, and sweat…
- Eyes, spots in front of the Also known as 'floaters', blurry spots that drift in front of the eyes but do not block vision. The blur is…
- Schonlein-Henoch purpura A form of blood vessel inflammation (vasculitis) that typically affects small arterial vessels (capillaries)…
- Rice genome The first commercially important plant to have its genome sequenced. This feat, completed early in 2001, is…
- Mother (1) The female parent. (2) To produce offspring as a female. To attribute the maternity of. (3) A cell or…