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).
Power-of-attorney for health-care decision-making
See: Proxy. health care.
Read the definitionRandom terms
Show more- Genetic transposition The ability of genes to change position on chromosomes, a process in which a transposable element is removed…
- Parasympathetic nervous system A part of nervous system that serves to slow the heart rate, increase the intestinal and gland activity, and…
- Ceteris paribus 1. Literally (in Latin), other things the same. 2. Figuratively, all else being equal (staying the same). 3…
- Vaccine, rubella A vaccine designed to prevent rubella, or German measles. German measles was once seen merely as a child's…
- Bacillophobia An abnormal and persistent fear of bacilli (bacteria). A phobia is an unreasonable sort of fear that can…
- Refraction test Also termed vision test, the refraction test is an examination that tests an individual's ability to see an…
- Gland, exocrine See: Exocrine gland
- Skin abscess A common boil, a collection of pus beneath the skin, which may need to be surgically lanced to let it drain…
- Nerve, trochlear The trochlear nerve controls the superior oblique muscle of the eye, one of the extraocular muscles, the…
- Conditioning, Pavlovian Named after the Russian physiologist Ivan Petrovich Pavlov (1848-1936) who conditioned dogs to respond in…
- Grief, unresolved See: Complicated grief
- Gap junction An organized collections of protein channels in cell membranes that allows ions and small molecules to pass…