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).
SA node
The SA node (SA stands for sinoatrial) is one of the major elements in the cardiac conduction system, the system that controls the heart rate. This stunningly designed system generates electrical impulses and conducts them throughout the…
Read the definitionRandom terms
Show more- DCIS See Pendred syndrome.
- Fracture, torsion A fracture, also called a spiral fracture, in which a bone has been twisted apart. NTER> A fracture is any…
- Physicians Health Study A very large, long-term, randomized study initiated in 1982 to look at the effects of aspirin and…
- APL Abbreviation for acute promyelocytic leukemia, a malignancy of the bone marrow in which there is a deficiency…
- Sleeping sickness, African See: African sleeping sickness
- Magnesia Named after a town in present day Turkey where an ore containing magnesium carbonate was mined. Milk of…
- Polycystic kidney disease, infantile See: Polycystic kidney disease, autosomal recessive
- Psychosis, intensive care unit A disorder in which patients in an intensive care unit (ICU) or a similar hospital setting may experience…
- Contact eczema A localized reaction that includes redness, itching, and burning where the skin has come into contact with an…
- Gigantism, eunuchoid Extremely tall stature due to the delayed onset of puberty which permits the continued growth of the long…
- Bursitis, septic A bursa is a closed fluid-filled sac that functions as a gliding surface to reduce friction between tissues…
- Baby teeth See: Primary teeth