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).
Abruption
A sudden breaking off or away. Abruption of the placenta (abruptio placentae) is the premature separation of the placenta from the wall of the uterus, a potentially very serious situation for the mother and baby
Read the definitionRandom terms
Show more- Hypochondroplasia Hypochondroplasia is a type of short-limb dwarfism with shortening especially of the ends of the limbs…
- Catheter A thin, flexible tube. For example, a catheter placed in a vein provides a pathway for giving drugs…
- TNF Tumor necrosis factor
- Gel electrophoresis The process in which molecules (such as proteins, DNA, or RNA fragments) can be separated according to size…
- Homeopathic Pertaining to homeopathy
- Triglycerides The major form of fat. A triglyceride consists of three molecules of fatty acid combined with a molecule of…
- Ventricle, cerebral One of a system of four communicating cavities within the brain that are continuous with the central canal of…
- Variant angina Angina: Chest pain due to coronary artery spasm, a sudden constriction of a coronary artery (one of the…
- Horror autotoxicus Literally, the horror of self-toxicity. A term coined by the great German bacteriologist and immunologist…
- Duodenal ulcer An ulcer (a hole in the lining) of the duodenum (the first portion of the small intestine). Ulcers can affect…
- Intracytoplasmic sperm injection (ICSI) A test-tube fertilization procedure in which a sperm is injected directly into an egg to achieve…
- Hypo- Prefix meaning 'low, under, beneath, down, below normal' as in hypocalcemia (low calcium in the blood)…