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).
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
Show more- Acuity, visual The clarity or clearness of the vision, a measure of how well a person sees. The ability to distinguish…
- Coxa valga Inward curvature of the hip. Malformation of the hip at birth, such as coxa valga, can increase one's risk…
- Cardiac myocyte A heart muscle cell. Sometimes called a myocyte when it is understood that it is in the heart. See also…
- Dumdum fever Also called kala-azar, a chronic, potentially fatal parasitic disease of the viscera (the internal organs)…
- Transfusion medicine Blood transfusion and blood conservation are the complementary activities that constitute the clinical arena…
- Dialysis machine Dialysis machine: A machine that filters a patient's blood to remove excess water and waste products when the…
- Foot pain Foot pain: Foot pain is the sensation of discomfort in the foot arising from disorders or injury to any of…
- Palpebral conjunctiva The part of the conjunctiva, a clear membrane, that coats the inside of the eyelids. The palpebral…
- M. leprae Mycobacterium leprae
- Malady From the French maladie for illness.
- Tracheostomy button Tracheostomy button: A 1/2- to 1 1/2-inch-long plastic tube placed in the stoma to keep it open
- Succumb To lose the will to oppose something or to give up and accept something that you first opposed. In the…