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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Orthomolecular medicine
1. A term coined by the chemist Linus Pauling who defined it as 'the preservation of good health and the treatment of disease by varying the concentration in the human body of substances that are normally present in the body. The treatment…
Read the definitionRandom terms
Show more- Gastrectomy Surgery to remove part of all of the stomach.
- Testosterone A 'male hormone' -- a sex hormone produced by the testes that encourages the development of male sexual…
- Psychooncology See: Psycho-oncology.
- Denervate To deprive of the nerve supply. Denervate is the opposite of innervate
- Proprioception The ability to sense stimuli arising within the body. Even if you are blindfolded, you know through…
- Senile lentigo A benign pigmented flat spot on sun-exposed skin in older adults, especially on the back of the hands and on…
- Ethylene glycol poisoning Poisoning from ethylene glycol (a clear, colorless, odorless liquid with a sweet taste) that can produce…
- Rhabdomyosarcoma A malignant tumor that starts in muscle. Rhabdomyosarcoma is primarily a childhood tumor and occurs most…
- Elastic fiber A slender fiber in connective tissue that is rich in the protein elastin and has an elastic quality
- Spondylolysis The breaking down (dissolution) of a portion of a bony building block of the spine (a vertebra). The portion…
- Alpers disease A progressive disease of the nervous system characterized by spasticity (tightness), myoclonus and dementia…
- Small for gestational age (SGA) SGA infants weigh 2500 g or less at birth and are considered to have intrauterine growth retardation (IUGR)…