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).
HAV
Hepatitis A virus
Read the definitionRandom terms
Show more- Psychosis, intensive care unit A disorder in which patients in an intensive care unit (ICU) or a similar hospital setting may experience…
- Tap, spinal Also known as a lumbar puncture or 'LP', a spinal tap is a procedure whereby spinal fluid is removed from the…
- Disease, Hansen See: Hansen disease
- Vomiting of pregnancy, pernicious Medically known as hyperemesis gravidarum, this is excessive vomiting in early pregnancy. By definition…
- Mycobacterium avium complex (MAP) A bacterium that causes Johne's disease, a form of chronic inflammatory bowel disease (IBD) in cattle…
- Hepatic duct, right See: Right hepatic duct
- Colonic adenoma family history See: Colon cancer family history
- Wheal A raised, itchy (pruritic) area of skin that is almost always an overt sign of allergy. Not all wheals are…
- Strep throat Strep throat: Strep throat is an infection caused by a type of bacteria called streptococcus, which can lead…
- Polyglandular autoimmune syndrome (PGA) A genetic autoimmune disease with an extraordinary array of clinical features but characterized most often by…
- Cockle The ventricle of the heart. The origin of the word cockle in this sense is a matter of conjecture but in…
- Bypass An operation in which a surgeon creates a new tubular pathway for the movement of fluids and/or other…