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).
Hyperplasia
A condition in which there is an increase in the number of normal cells in a tissue or organ
Read the definitionRandom terms
Show more- Alcohol poisoning A condition in which a toxic amount of alcohol (ethanol, ethyl alcohol) has been drunk, usually in a short…
- Trial, clinical A trial done to evaluate the effectiveness and safety of medications or medical devices by monitoring their…
- Riley-Day syndrome Eponym for familial dysautonomia. See: Familial dysautonomia.
- Burkitt's lymphoma See: Burkitt lymphoma
- Charles D. Kelman See: Phacoemulsification
- Histamine cephalalgia A distinctive syndrome of headaches, also known as cluster headache or migrainous neuralgia. The common…
- Mucopolysaccharidosis type IIIA Sanfilippo syndrome due to deficiency of the enzyme heparan N-sulfatase. See also: Mucopolysaccharidosis
- Metastasize The spread from one part of the body to another. When cancer cells metastasize and cause secondary tumors…
- Renal infection in children See: Urinary tract infection in children
- Jellyfish sting : The injection into the skin of venom from the stinging unit (the nematocyst) of the jellyfish. The…
- RNA virus, negative-strand See: Negative-strand RNA virus
- Human immunodeficiency virus Human immunodeficiency virus: HIV, the cause of AIDS. HIV has also been called the human lymphotropic virus…