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).
Viral
Of or pertaining to a virus. For example, 'My daughter has a viral rash.
Read the definitionRandom terms
Show more- Nerve, fifth cranial The fifth cranial nerve is the trigeminal nerve. The trigeminal nerve is quite complex. It functions both as…
- Vena cava The superior vena cava is the large vein which returns blood to the heart from the head, neck and both upper…
- Bypass, coronary See: Coronary artery bypass graft.
- Antigen, prostate specific See: PSA
- Muscular dystrophy, myotonic Myotonic dystrophy, an inherited disease in which the muscles contract but have decreasing power to relax --…
- Syndactyly, bony A condition in which the bones of fingers or toes are joined together. Bony syndactyly is the opposite of…
- Louise Brown See: Brown, Louise.
- Nervous system, parasympathetic A part of the nervous system that slows the heart rate, increases intestinal and gland activity, and relaxes…
- Beta-defensin See: Defensin
- Pyelo Short for pyelonephritis, which is bacterial infection of the kidney. Pyelonephritis can be acute (sudden) or…
- Hematuria, gross Blood in the urine that can be seen with the naked eye. Hematuria may or may not be accompanied by pain, but…
- Lymphangioleiomyomatosis A structure consisting of a collection of blood vessels and lymph vessels that are overgrown and clumped…