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).
EGFR
Epidermal growth factor receptor. A protein found on the surface of cells to which epidermal growth factor (EGF) binds. When EGF attaches to EGFR, it activates the enzyme tyrosine kinase, triggering reactions that cause the cells to grow…
Read the definitionRandom terms
Show more- Nasopharynx The area of the upper throat that lies behind the nose. In contrast to the oropharynx, the area of the throat…
- Bowel sounds The gurgling, rumbling, or growling noises from the abdomen caused by the muscular contractions of…
- Morton toe See: Morton's syndrome
- Neocortex The newer portion of the cerebral cortex that serves as the center of higher mental functions for humans. The…
- Germ 1. A cell or group of cells (called a primordium) capable of developing into an organ, a part or an organism…
- Vestibular apparatus The vestibule and three semicircular canals of the inner ear. Like an internal carpenter's level, these…
- Mast syndrome An autosomal recessive form of hereditary spastic paraplegia with dementia first described in the Old Order…
- Kidney Dis, Nat'l Inst of Diabetes and Digestive Igestive and (NIDDK): One of the National Institutes of Health in the U.S., the NIDDK has a multisystem name…
- Aortitis Inflammation of the aorta. The causes of aortitis include syphilis or rheumatic fever
- Yersinia pestis The bacteria that causes the bubonic plague which in the year 541 (as the Black Death) and later in the…
- Pharmacopoeia An official authoritative listing of drugs. Aspirin has, for example, long been in the pharmacopoeia. By…
- Cystic fibrosis A combining form denoting a cell. Derived from the Greek "kytos" meaning "hollow, as a cell or container."…