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).
Mastectomy, simple
Removal of one or both breasts, but not the lymph nodes
Read the definitionRandom terms
Show more- Erythroplakia A reddened patch with a velvety surface found in the mouth
- Euthanasia, active The active acceleration of a 'good' death by use of drugs etc, whether by oneself or with the aid of a…
- Transcranial magnetic stimulation Abbreviated TMS. A non-invasive technique that consists of a magnetic field emanating from a wire coil held…
- Dog genome All of the genetic information from the dog. The genetic first draft of the dog genome sequence was completed…
- Squamous-cell carcinoma See: Squamous cell carcinoma
- Lights, flashing A sensation of flashing lights is created when the vitreous (the clear, jelly-like substance that fills the…
- Inhibitory RNA See: RNA inactivation; and RNA interference
- Pneumoconiosis, coal miner's See: Black lung disease
- Drosophila The fruit fly. One species, Drosophila melanogaster, is a favorite model organism in genetics and…
- Regional enteritis Crohn's disease, a chronic inflammatory disease of the intestine primarily in the small and large intestines…
- CNR2 Cannabinoid receptor 2
- QALY Quality adjusted life year, a year of life adjusted for its quality or its value. A year in perfect health is…