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).
Postulates, Koch's
In 1890 the German physician and bacteriologist Robert Koch set out his celebrated criteria for judging whether a given bacteria is the cause of a given disease. Koch's criteria brought some much-needed scientific clarity to what was then…
Read the definitionRandom terms
Show more- Virus, lymphadenopathy-associated Another name for the human immunodeficiency virus (HIV), the cause of AIDS. Please see: Virus, human…
- Pheresis Procedure in which the blood is filtered, separated, and a portion retained, with the remainder being…
- Bariatric physician A physician practicing bariatrics, the field of medicine concerned with weight loss. Also called a…
- Clostridium perfringens A type of bacteria that is the most common agent of gas gangrene and can also cause food poisoning as well as…
- Dysphonia, spastic See: Spasmodic dysphonia
- Metered-dose inhaler Abbreviated MDI. A device that delivers a measured amount of medication as a mist the patient can inhale. A…
- Peyronie disease A syndrome of craniosynostosis (premature fusion of the cranial sutures) due to mutation in FGFR (fibroblast…
- Nerve block See: Neuron.
- Epinephrine A substance produced by the medulla (inside) of the adrenal gland. The name epinephrine was coined in 1898 by…
- PUVA PUVA stands for psoralen (P) and ultraviolet A (UVA) therapy in which the patient is exposed first to…
- Disease, Vrolik's Osteogenesis imperfecta type II, an inherited connective tissue disorder with very severe bone fragility, the…
- Disorders, myeloproliferative Malignant diseases of certain bone marrow cells including those that give rise to the red blood cells, the…