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).
Prenatal
Occurring or existing before birth. Prenatal care is the regular health care women should receive during pregnancy from an obstetrician or midwife. Prenatal development is the growth and development of a single-celled zygote formed by the…
Read the definitionRandom terms
Show more- Insulinoma A tumor of the beta cells in areas of the pancreas called the islets of Langerhans. Although not usually…
- Astatic seizure See: Atonic seizure
- Sclerosis Localized hardening of skin
- Apoptosis A form of cell death in which a programmed sequence of events leads to the elimination of cells without…
- Phenocopy 1. An environmental condition that imitates (copies) one produced by a gene. 2.The person who has an…
- Metered dose inhaler See: Metered-dose inhaler
- Dystrophy, muscular One of a group of genetic diseases characterized by progressive weakness and degeneration of the skeletal or…
- Designer steroid A synthetic steroid derived by simple chemical modification from another steroid, usually an anabolic…
- Adenosine deaminase (ADA) deficiency A genetic (inherited) condition that results in a immune deficiency disorder called severe combined…
- Catheter, central venous A catheter (tube) that is passed through a vein to end up in the thoracic (chest) portion of the vena cava…
- Escherichia coli Full term for E. coli, the colon bacillus.
- Abdominal pain Our Abdominal pain Main Article provides a comprehensive look at the who, what, when and how of Abdominal…