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).
Meningitis, viral
Inflammation of the meninges (the tissues that cover the brain and spinal cord) caused by a virus, usually one of the enteroviruses such as the mumps virus or Coxsackievirus. Viral meningitis can be a complication the common childhood…
Read the definitionRandom terms
Show more- Vascular endothelial growth factor (VEGF) A substance made by cells that stimulates new blood vessel formation, a mitogen for vascular endothelial…
- Flesh-eating bacteria A popular media term for a type of strep bacteria (group A streptococcus) which rapidly destroys tissue and…
- Renal pelvis The area at the center of the kidney. Urine collects here and is funneled into the ureter
- Cysts Cysts: Cysts are abnormal, closed sac-like structures within a tissue that contain a liquid, gaseous, or…
- Melorheostosis A rare bone condition that usually begins in childhood characterized by thickening of the bones (sclerosis)…
- Biofilm An aggregate of microbes with a distinct architecture. A biofilm is like a tiny city in which microbial…
- Geography, medical See: Medical geography
- Pelvis, male See: Male pelvis
- Vasovagal attack See: Vasovagal reaction
- Triiodothyronine A hormone made by the thyroid gland. It has three iodine molecules attached to its molecular structure. It is…
- Ig Abbreviation for immunoglobulin, a protein produced by plasma cells and lymphocytes. Immunoglobulins are an…
- Vena cava, inferior A large vein that receives blood from the lower extremities, pelvis and abdomen and empties it into the right…