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).
Disease, Creutzfeldt-Jakob (CJD)
A dementing disease of the brain. It is believed due to an unconventional (not a bacteria or virus), transmissible agent called a prion. Symptoms of CJD include forgetfulness, nervousness, jerky trembling hand movements, unsteady gait…
Read the definitionRandom terms
Show more- Alpha particle A tiny mass of material composed of two protons and two neutrons. Alpha particles do not travel very far from…
- Electrophysiologic study of the heart A test of the electrical conduction system of the heart (the system that generates the heart beat)…
- Nocturnal enuresis Bedwetting at night. From the Greek 'enourin' meaning 'to urinate in.'
- Disorder, autoimmune See Autoimmune disease
- Additive genetic effects A mechanism of quantitative inheritance such that the combined effects of genetic alleles at two or more gene…
- Toothache Toothache: Pain in or near a tooth. Also called odontalgia. The most common cause of a toothache is a dental…
- Word blindness A neurological disorder characterized by loss of the ability to read or understand the written word. Word…
- Vater, ampulla of See: Ampulla of Vater
- Sensation In medicine and physiology, sensation refers to the registration of an incoming (afferent) nerve impulse in…
- Glycosylated hemoglobin Hemoglobin to which glucose is bound. Glycosylated hemoglobin is tested to monitor the long-term control of…
- MEDLINE MEDLINE® is the best known database of the U.S. National Library of Medicine (NLM). MEDLINE enables anyone to…
- Amblyopia, nocturnal Amblyopia refers to blindness so nocturnal amblyopia is, literally, night blindness. Listed in medical…