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).
Chronic wasting disease
A transmissible spongiform encephalopathy (TSE) of North American deer and elk, a progressive neurodegenerative disorder that produces spongiform changes in the brain and chronic weight loss leading to the death of these animals. There is…
Read the definitionRandom terms
Show more- White subungual onychomycosis, proximal The rarest form of fungus infection of the finger or toenail. (Fungus infection of the finger or toenail is…
- Viral particle See: Virion
- Cruciate ligament, posterior The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint…
- Congenital central hypoventilation syndrome Failure from birth of central nervous system control over breathing while asleep. There are usually no…
- Uracil (U) A nucleotide base and one member of the A-U (adenine-uracil) base pair in RNA. The other base pair in RNA is…
- Tympanic cavity The major portion of the middle ear, consisting of a narrow air-filled cavity in the temporal bone that…
- Snake antivenin Antibodies created in the blood of a horse or sheep when the animal is injected with snake venom. Antivenin…
- Circulation, fetal The blood circulation in the fetus (the unborn baby). Before birth, the blood from the heart that is destined…
- IUGR 1. Originally, intrauterine growth retardation.2. More recently, intrauterine growth restriction.
- Film, AP An X-ray picture in which the beams pass from front-to-back (anteroposterior). As opposed to a PA…
- Additive genetic effects A mechanism of quantitative inheritance such that the combined effects of genetic alleles at two or more gene…
- National Eye Institute (NEI) One of the US National Institutes of Health, NEI's mission is to 'conduct and support research, training…