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).
Cell, beta (pancreatic)
A type of cell in the pancreas (the organ of the digestive system located behind the stomach). Within the pancreas, the beta cells are located in areas called the islets of Langerhans. They constitute the predominant type of cell in the…
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Show more- Joint, acromioclavicular The acromioclavicular (AC) joint is located between the acromion (a projection of the scapula that forms the…
- ICSI Jaundice. At least one medical dictionary defines icterus as the presence of jaundice seen in the sclera of…
- ALA 1. Alpha-linolenic acid 2.Aminolevulinic acid, a naturally occurring chemical in the body that is converted…
- WFS1 A gene on the short (p) arm of chromosome 4 in band 4p16 that encodes (provides the instructions for) a…
- Aerophobia An abnormal and persistent fear of flying. Sufferers experience severe anxiety even though they usually…
- Autosome A chromosome that is not a sex chromosome. In other words, any one of the chromosomes save the sex…
- MG (myasthenia gravis) Myasthenia gravis (MG): An autoimmune neuromuscular disorder characterized by fatigue and exhaustion of…
- Epilepsy, grand mal See: Grand mal
- Polyp A mass of tissue that develops on the inside wall of a hollow organ, as within the colon or rectum. The word…
- Tracheostomy tube Tracheostomy tube: A 2- to 3-inch metal or plastic tube that keeps the stoma and trachea open. Also called a…
- Mucopolysaccharidosis type VII Sly syndrome, due to deficiency of the enzyme beta-glucuronidase. See also Mucopolysaccharidosis
- Areola 1. The small darkened area around the nipple of the breast. 2. The colored part of the iris around the pupil…