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).
Arhythmia
We do not usually give a misspelling but this is a frequent misspelling of arrhythmia (with two r's), meaning an abnormal heart rhythm. In an arrhythmia the heartbeats may be too slow, too rapid, too irregular, or too early. Rapid…
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Show more- Acute pancreatitis Sudden inflammation of the pancreas. The pancreas abruptly becomes inflamed and then gets better. Some people…
- Radiology, interventional The use of image guidance methods to gain access to the deepest interior of most organs and organ systems…
- Traditional Chinese medicine The current name for an ancient system of health care from China. Traditional Chinese medicine (TCM) is based…
- Isoform A protein that has the same function as another protein but which is encoded by a different gene and may have…
- Cranial nerve IX The ninth cranial nerve is the glossopharyngeal nerve. The 12 cranial nerves, the glossopharyngeal nerve…
- Meningococcal infection Infection with the bacterium Neisseria meningitidis. (Neisseria was formerly called Meningococcus and the…
- Granulomatosis, allergic A disease (also more commonly called the Churg-Straus syndrome) characterized by inflammation of the blood…
- Hallucination A profound distortion in a person's perception of reality, typically accompanied by a powerful sense of…
- Callus 1. A localized firm thickening of the upper layer of skin as a result of repetitive friction. A callus on the…
- Hard measles An acute highly contagious viral disease with fever, runny nose, cough, red eyes, and a spreading skin rash…
- Runny nose Rhinorrhea is the medical term for this common problem. From the Greek words 'rhinos' meaning 'of the nose'…
- EYCL3 A gene for brown/blue eye color located on chromosome 15. See also: Eye color