MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Herniation
Abnormal protrusion of tissue through an opening. For example, a intervertebral disk (one situated between the vertebral bodies) can protrude and impinge on a nerve root.
Read the definitionRandom terms
Show more- Papilloma, intraductal A benign, wart-like growth that occurs in breast ducts
- House Hospital. As in house officer, house staff, and house surgeon
- Aqueous humor In medicine, humor refers to a fluid (or semifluid) substance. Thus, the aqueous humor is the fluid normally…
- Autoimmune polyendocrinopathy Idiasis-ectodermal dystrophy (APECED): A genetic autoimmune disease with an extraordinary array of clinical…
- Blockers, beta A class of drugs that block beta-adrenergic substances such as adrenaline (epinephrine), a key agent in the…
- BMD (bone mineral density) Abbreviation for bone mineral density and, the synonymous term, bone mass density. See: Bone mass density.
- Nephronophthisis 1 (NPH1) A childhood kidney disease in which there is progressive symmetrical destruction of the kidneys involving…
- Mg Abbreviation for milligram, a unit of measurement of mass in the metric system equal to a thousandth of a…
- Glossolalia Nonsensical sounds that mimic the rhythms and inflections of actual speech. Glossolalia may be seen in deep…
- Flush (1) A redness of the skin, typically over the cheeks or neck. A flush is usually temporary and brought on by…
- Kiddiecam See: Kiddie cam
- Hyperchloremia Elevated blood levels of chloride. Chloride is the major anion found in the fluid outside of cells and in…