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).
Perichondrium
A dense membrane composed of fibrous connective tissue that closely wraps (invests) all cartilage, except the cartilage in joints which is covered by a synovial membrane. Peri- is a prefix borrowed from the Greek meaning 'around or about'…
Read the definitionRandom terms
Show more- Minimal change disease The most common form of the nephrotic syndrome, a kidney disorder that affects the structures called…
- Vein, superior vena cava A large vein that receives blood from the head, neck, upper extremities, and thorax and empties it into the…
- Ampulla of Vater An enlargement of the ducts from the liver and pancreas at the point where they enter the small intestine…
- Vesicoenteric Pertaining to both the urinary bladder and intestine or to a communication between them, as in a…
- Stenosis, aortic Narrowing (stenosis) of the heart valve between the left ventricle of the heart and the aorta. This narrowing…
- Kveim test A skin test for detecting sarcoidosis, a disease of unknown origin that causes inflammation of body tissues…
- Flying, fear of An irrational fear of flying is called aerophobia. Aerophobia also refers to irrational fear of fresh air or…
- Qi gong ('chee-GUNG') A component of traditional Chinese medicine that combines movement, meditation, and regulation…
- Blocker, beta adrenergic A class of drugs, also more simply called beta blockers, that block beta-adrenergic substances such as…
- Bruce N. Ames See: Ames, Bruce N.
- Dysuria Painful or difficult urination. This includes burning on urination. Dysuria is most commonly due to bacterial…
- Disorders, myeloproliferative Malignant diseases of certain bone marrow cells including those that give rise to the red blood cells, the…