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).
Oxygen
A colorless, odorless and tasteless gas that makes up about 20% of the air we breathe (and at least half the weight of the entire solid crust of the earth) and which combines with most of the other elements to form oxides. Oxygen is…
Read the definitionRandom terms
Show more- Offspring The offspring are strictly speaking the progeny, or young, born to a person. In a larger sense, the offspring…
- Popliteal fossa The hollow behind the knee
- NG tube See: Nasogastric tube
- Caulophyllum thalictroides Blue cohosh
- RLL Acronym for the right lower lobe (of the lung). The right lung has three lobes: the right upper lobe (RUL)…
- TC-99 tetrofosmin scintimammography Scintimammography is an imaging technique that uses a radioisotope (a radioactive substance) to help…
- Aneurysm, miliary An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an…
- Myopathy, mitochondrial Nearsightedness, the ability to see close objects more clearly than distant objects. Myopia can be caused by…
- Seborrheic dermatitis A medical name for what is popularly called seborrhea
- Fertilization Fertilization is the process of combining the male gamete, or 'sperm,' with the female gamete, or 'ovum.' The…
- Sigmoid volvulus See: Volvulus
- Hormone, follicle-stimulating (FSH) A hormone produced by the pituitary gland that controls estrogen production by the ovaries