MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Vein, inferior vena cava
A large vein that receives blood from the lower extremities, pelvis and abdomen and empties it into the right atrium of the heart
Read the definitionRandom terms
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- Dysmorphology Dysmorphology is a term coined by Dr. David W. Smith in the 1960's to describe the study of human congenital…
- Occupational therapist A licensed health professional who is trained to evaluate patients with joint conditions, such as arthritis…
- Tunnel vision Loss of peripheral vision with retention of central vision, resulting in a constricted circular tunnel-like…
- Athlete's foot Athlete's foot: A skin infection caused by a fungus called Trichophyton which can thrive and infect the upper…
- Hypercoagulable state A hypercoagulable state is the medical term for a condition in which there is an abnormally increased…
- Preauricular tag A common minor anomaly, this is a rudimentary tag of ear tissue. It often contains a core of cartilage. The…
- Cauterization The use of heat to destroy abnormal cells. Also called diathermy or electrodiathermy.
- Zoophobia An abnormal and persistent fear of animals. A phobia is an unreasonable fear that can cause avoidance and…
- Diabesity Diabetes caused by overweight or obesity. From diabetes + obesity. Synonymous with the usual form of type 2…
- Angina, exudative Angina, exudative: This has nothing whatsoever to do with the usual type of angina (angina pectoris) which is…
- Fever therapy Fever therapy: Using abnormal elevations in body temperature as a tool to treat disease. This was done in the…