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).
Granuloma annulare
The definition of granuloma annulare in one of the standard print medical dictionaries begins: 'a benign, usually self-limited granulomatous disease of unknown etiology, chiefly involving the dermis.' Translation: This condition usually…
Read the definitionRandom terms
Show more- Vena cava, superior A large vein that receives blood from the head, neck, upper extremities, and thorax and empties it into the…
- Mb Megabase
- Anotia No ear. The term 'anotia' usually refers to congenital (from birth) absence of the external ear, the auricle…
- Psychiatry The medical specialty concerned with the prevention, diagnosis, and treatment of mental illness…
- Serendipity An accidental and fortunate discovery. Not all good medical research by any means is done by design. Some is…
- Cancer, testicles Cancer of the male sex organ (testicle) that normally produces the hormone testosterone. One of the most…
- Heberden node A small fixed bump on the finger, usually at the last joint of the finger, Heberden's node is a calcified…
- Atrioventricular node The atrioventricular (AV) node is an electrical relay station between the atria (the upper) and the…
- Adjuvant The Latin 'adjuvans' means to help, particularly to reach a goal. Adjuvant therapy for cancer is surgery…
- Itch, seabather's An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish…
- Kissing bug The insect that transmits the parasite Trypanosoma cruzi, which causes Chagas disease (American…
- Jennerization The production of immunity to a disease by inoculation of an attenuated form of the virus causing the…