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).
Psychologist, clinical
A professional specializing in diagnosing and treating diseases of the brain, emotional disturbance, and behavior problems. Psychologists can only use talk therapy as treatment; you must see a psychiatrist or other medical doctor to be…
Read the definitionRandom terms
Show more- Agent, antibiotic A drug used to treat bacterial infections. The original definition of an antibiotic was a substance produced…
- Cranial nerve II The second cranial is the optic nerve, the nerve that connects the eye to the brain and carries the impulses…
- Disease, cat scratch A bacterial infection due to a cat scratch seen most often today in people with HIV. The disease…
- Mutation, hereditary Mutation, hereditary: A heritable change in the DNA of a gene or chromosome in a cell destined to become an…
- Artery, pulmonary See: Pulmonary artery
- Rheumatology A subspecialty of internal medicine that involves the non-surgical evaluation and treatment of the rheumatic…
- QT syndrome, long An inherited defect in the heart rhythm. In the US alone, it is estimated that 4,000 children and young…
- Kneecap The medical name for the kneecap is the patella. Whichever name -- kneecap or patella -- you prefer, it is…
- Elastase An enzyme that digests and degrades a number of proteins including elastin, an elastic substance in the lungs…
- Orbital Relating to the orbit, in anatomy the bony cavity that contains the eyeball
- Embryonal carcinoma A malignant germ cell tumor that occurs most often in the testes and accounts for about 40% of testicular…
- Arrhythmias, ventricular Abnormal rapid heart rhythms (arrhythmias) that originate in the lower chambers of the heart (the…