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).
Conduction system, cardiac
The electrical conduction system that controls the heart rate. This system generates electrical impulses and conducts them throughout the muscle of the heart, stimulating the heart to contract and pump blood. Among the major elements in…
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Show more- Cranial nerve, sixth The sixth cranial nerve is the abducent nerve. It is a small motor nerve that has one task: to supply a…
- Saccharin An artificial sweetener which diluted in water is 300-500 times sweeter than the sugar sucrose. (Saccharin is…
- Atherogenesis The process of forming atheromas, plaques in the inner lining (the intima) of arteries
- Wasting 1. Gradual loss (for example, of weight), deterioration, emaciation. As in a wasting disease. 2. Excessive…
- Transudate A fluid that passes through a membrane which filters out much of the protein and cellular elements to yield a…
- Tube, Fallopian The two Fallopian tubes, one on each side, transport the egg from the ovary to the uterus (the womb). The…
- Ureter A tube that carries urine down from the kidney to the bladder. There are normally two kidneys so there are…
- Steele-Richardson-Olszewksi syndrome A hormonal problem that causes women to have various symptoms, including irregular or no menstruation, acne…
- Klippel-Feil deformity See: Klippel-Feil sequence
- Angiotensin converting enzyme 2 An enzyme, abbreviated ACE2, that is an essential regulator of heart function. It may also be involved in the…
- Shunt, transjugular intrahepatic portosystemic A shunt that allows blood from the portal circulation (that supplies the liver) to flow into the systemic…
- Sequence, regulatory A sequence of bases in DNA that controls gene expression