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).
Reaction, vasovagal
See: Vasovagal reaction
Read the definitionRandom terms
Show more- Thyroid cancer Thyroid cancer: Cancer of the gland in front of the neck that normally produces thyroid hormone which is…
- GI 1. In medicine, commonly used abbreviation for gastrointestinal, referring collectively to the stomach and…
- Ceruloplasmin deficiency Lack of the protein ceruloplasmin from the blood and accumulation of iron in the pancreas, liver and brain…
- Lipodystrophy A disorder of adipose (fatty) tissue characterized by a selective loss of body fat. Patients with…
- Niacin Niacin: Nicotinic acid, one of the B-complex B vitamins. Deficiency of niacin in the diet results in the…
- Systemic lupus erythematosus Systemic lupus erythematosus: A chronic inflammatory condition caused by an autoimmune disease. An autoimmune…
- Exfoliate 1) To peal off scaly skin spontaneously. The skin exfoliates from the palms and soles in Kawasaki's disease…
- Palindrome Pertaining to a palindrome. A DNA sequence that reads the same in both directions is a palindromic sequence.
- Ragged red fibers with CPEO See: Kearns-Sayre syndrome
- Biopsy, sentinel-lymph-node See: Sentinel lymph node biopsy
- Response, plantar The plantar response, also known as the Babinski response, is an important neurologic examination based upon…
- Trench fever Fever: A disease borne by body lice that was first recognized in the trenches of World War I, when it is…