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).
Echinococcus
A tiny parasitic tapeworm. The larval stage of this tapeworm can cause human disease. There are three forms of Echinococcus that affect humans -- E. (Echinococcus) granulosus, E. multilocularis, and E. vogeli -- and each has a different…
Read the definitionRandom terms
Show more- Booster shot An additional dose of a vaccine needed periodically to 'boost' the immune system. For example, a booster shot…
- Beta error The statistical error (said to be 'of the second kind' or type II) made in testing when it is concluded that…
- Supraventricular tachycardia Abbreviated SVT. A regular, abnormally fast heart beat (tachycardia) caused by rapid firing of electrical…
- Injury, hangman (Hangman's fracture) Injury to one of the two crescent-shaped cartilage pads between the two joints formed by the femur (the thigh…
- Venous catheterization See: Catherization, venous
- Second-hand smoke Environmental tobacco smoke that is inhaled involuntarily or passively by someone who is not smoking…
- Nephrolithiasis The process of forming a kidney stone, a stone in the kidney (or lower down in the urinary tract). Kidney…
- Meningitis vaccine This term usually refers to a vaccine used to prevent meningococcal meningitis, an inflammation of the…
- Nervus ulnaris See: Ulnar nerve
- Accelerated phase of leukemia Refers to chronic myelogenous leukemia (CML) that is progressing. The number of immature, abnormal white…
- Cordectomy 1. Surgical removal of a vocal cord. 2. Surgical removal of part of the spinal cord. From cord + -ectomy…
- Anfinsen, Christian Boehmer, Jr. (1916-1995) American biochemist who shared the 1972 Nobel Prize for work that helped explain the structure…