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).
Pneumothorax
Pneumothorax: Free air in the chest outside the lung. Pneumothorax can occur spontaneously ('out of the blue', with or without underlying lung disease), follow a fractured rib, occur in the wake of chest surgery, or be deliberately induced…
Read the definitionRandom terms
Show more- Saphenous vein, large The larger of the two saphenous veins, the principal veins that run up the leg superficially (near the…
- Long-term memory A system for permanently storing, managing, and retrieving information for later use. Items of information…
- Retina, detached A retina that separates from its connection at the back of the eye. The process of retinal detachment is…
- Carditis Inflammation of the heart
- Induration Induration: Localized hardening of soft tissue of the body. The area becomes firm, but not as hard as bone
- Multiple system failure The failure of two or more systems in the body as, for example, the cardiovascular and renal systems…
- Abscess A local accumulation of pus anywhere in the body. The following are some examples of abscesses: > >A skin…
- Dissection, radical neck See: Multiple sclerosis.
- Vitamin K One of two naturally occurring fat-soluble vitamins (vitamin K1 and vitamin K2) needed for the clotting of…
- Kb Abbreviation for kilobase
- Anvil The incus
- Posthitis Inflammation of the prepuce (the foreskin of the penis). In the uncircumcised male, posthitis and balanitis…