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).
Benign
Not cancer. Not malignant. A benign tumor does not invade surrounding tissue or spread to other parts of the body. A benign tumor may grow but it stays put (in the same place). In a general sense, 'benign' means of a mild character that…
Read the definitionRandom terms
Show more- Hypochondria 1. Synonym for the disorder officially called hypochondriasis. 2. The plural of hypochondrium, referring to…
- Morpheus In Greek and Roman mythology, the son of sleep and the god of dreams who lay on an ebony bed in a dim-lit…
- Electrocochleography A test that measures the electrical potentials generated in the inner ear in response to stimulation by…
- Medical prefix A prefix employed in medical terminology. Medical words are often put together, cobbled from two or more…
- Bright's disease Chronic inflammation of the blood vessels in the kidney with protein, specifically albumin, in the urine…
- Insufficiency, pulmonary See: Pulmonary insufficiency
- CEA assay Carcinoembryonic antigen (CEA) is a protein found in many types of cells but associated with tumors and the…
- CAPD Central auditory processing disorder
- Multiple system failure The failure of two or more systems in the body as, for example, the cardiovascular and renal systems…
- Thymus A lymphoid organ situated in the center of the upper chest just behind the sternum (breastbone). It is in the…
- Porphyria A diverse group of diseases in which the production of heme is disrupted. Porphyria is derived from the Greek…
- Dermoid Also called a dermoid cyst of the ovary, this is a bizarre tumor, usually benign, in the ovary that typically…