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).
Vessel
A tube in the body that carries fluids: blood vessels or lymph vessels
Read the definitionRandom terms
Show more- Lysine An amino acid, one of the 20 building blocks of protein. A dietary essential amino acid, lysine is present in…
- E. coli hemorrhagic diarrhea Bloody colitis (inflammation of the bowel) caused by E. coli, usually by the strain E. coli 0157:H7. The…
- GERD Stands for Gastroesophageal Reflux Disease, a disorder in which there is recurrent return of stomach contents…
- Nostril One of the openings in the nose that allows air to flow in and out of the nasal cavities. The word nostril…
- TIA See Transient ischemic attack
- ESWL Street name for alpha-ethyltryptamine.
- Federal Emergency Management Agency Better known as FEMA, an agency of the US government dedicated to rapid response to disasters, both man-made…
- Astraphobia An abnormal and persistent fear of thunderstorms. Sufferers experience anxiety even when they realize the…
- Spinal compression The act of exerting an abnormal amount of pressure on the spinal cord. Spinal compression may, for instance…
- X-ray 1. High-energy radiation with waves shorter than those of visible light. X-rays possess the properties of…
- Ankyrin deficiency Known also as hereditary spherocytosis (HS), this is a genetic disorder of the red blood cell membrane…
- Francis Crick See: Crick, Francis