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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Ampulla
In anatomy, a sac-like enlargement of a canal or duct. The ampulla of Vater is the enlargement of the ducts from the liver and pancreas at the point where they enter the small intestine. Ampulla in Latin means flask. An ampulla was a flask…
Read the definitionRandom terms
Show more- Malleability, brain See Neuroplasticity
- Mead See: Mead, Margaret
- Nephritis, acute Sudden inflammation of the kidney. Diagnosis is by finding blood or protein in the urine. There is often…
- Clostridium A group of anaerobic bacteria (bacteria that thrive in the absence of oxygen). There are 100+ species of…
- Nerve block See: Neuron.
- Connective tissue disease Connective tissue disease: A disease (autoimmune or otherwise) that attacks the collagen or other components…
- Activity, drug A measure of the physiological response a drug produces in the body. A less active drug produces less…
- Elbow dislocation See: Nursemaid's elbow
- Rate, heart Number of heart beats per minute. The normal resting adult heart beats regularly at an average rate of 60…
- Alcohol An organic chemical in which one or more hydroxyl (OH) groups are attached to carbon (C) atoms in place of…
- Oxygenating Pertaining to the addition of oxygen, as to the human body. Oxygenating may refer to the process of treating…
- Reflex, let down The let down reflex of the mother is an involuntary reflex during breastfeeding which causes the milk to flow…