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).
Anxiety
Anxiety: A feeling of apprehension and fear characterized by physical symptoms such as palpitations, sweating, and feelings of stress. Anxiety disorders are serious medical illnesses that affect approximately 19 million American adults…
Read the definitionRandom terms
Show more- AN The military designation for hydrogen cyanide. See: Cyanide
- Motion sickness Motion sickness: Motion sickness is a very common disturbance of the inner ear that is caused by repeated…
- Dystrophy, lattice See: Lattice dystrophy
- Sarcoma, soft tissue See: Soft tissue sarcoma
- Quaque die (on prescription) Seen on a prescription, qd (or, written with periods, q.d.) means one a day (from the Latin quaque die). The…
- Causes of cancer Cancer is a group of more than 100 different diseases. Benign tumors are not cancer; malignant tumors are…
- Artificial nose See: Nasal prosthesis
- Proteasome A protein degradation 'machine' within the cell that can digest a variety of proteins into short polypeptides…
- Myasthenia gravis Prefix that denotes a relationship to fungus. From the Greek mykes, meaning fungus.
- Study, electrophysiologic See: Framingham Study.
- Thoracic cage The structure formed by the thoracic vertebrae and ribs, the sternum (breastbone), and the costal cartilages…
- Shingles Shingles: An acute infection caused by the herpes zoster virus, the same virus as causes chickenpox. Shingles…