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).
Alpha cell, pancreatic
A type of cell in the pancreas (the organ of the digestive system located behind the stomach). Within the pancreas, the alpha cells are located in areas called the islets of Langerhans. Alpha cells make and release glucagon which raises…
Read the definitionRandom terms
Show more- Food Any substance eaten to provide nutritional support for the body
- Disorder, orgasmic See: Anorgasmia
- RAST An allergy test done on a sample of blood. The aim with RAST, as with skin tests, is to check for allergic…
- Oxyuris A group of intestinal worms that includes pinworm.
- Alexander disease A slowly progressive and ultimately fatal brain disorder that most commonly occurs in children. The infantile…
- DM Myotonic dystrophy
- Homozygous Possessing two identical forms of a particular gene, one inherited from each parent
- Islet cell cancer A rare but highly treatable type of pancreatic cancer that begins in the cells of the pancreas that produce…
- Photokeratitis A burn of the cornea (the clear front surface of the eye) by ultraviolet B rays (UVB). Also called radiation…
- Sick sinus syndrome Symptoms of dizziness, confusion, fainting, and heart failure due to a problem with the sinus node of the…
- Referred pain Pain felt at a site other than where the cause is situated. An example is the pain from the pancreas, which…
- Insomnia, transient Insomnia that usually lasts less than a week and does not recur. If it recurs from time to time, the insomnia…