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).
Fatal familial insomnia
Abbreviated FFI. An hereditary prion disease characterized by disrupted sleep (insomnia), motor abnormalities (myoclonus, ataxia, dysarthria, dysphagia, and pyramidal signs), and hyperactivation of the autonomic nervous system. Due to a…
Read the definitionRandom terms
Show more- Speech, esophageal See: Esophageal speech
- OB/GYN A commonly used abbreviation. OB is short for obstetrics or for an obstetrician, a physician who delivers…
- Ovary The female gonad, the ovary is one of a pair of reproductive glands in women. They are located in the pelvis…
- Aortic Pertaining to the aorta, the largest artery in the body. 'Aortic' is in common usage as, for example, in an…
- Bio- Prefix indicating living plants or creatures, as in biology, the study of living organisms
- Unsteadiness Loss of one's equilibrium in regard to the environment, often with a feeling of almost falling, or the result…
- Hyperhidrosis Hyperhidrosis: Excessive sweating. Hidrosis meaning sweating, so hyperhidrosis is too much sweating.
- Hexadactyly The presence of an extra digit, a sixth finger or toe, which is a very common congenital malformation (birth…
- Artery disease, coronary See: Coronary artery disease
- NCRR Stands for National Center for Research Resources, one of the Centers of the National Institutes of Health…
- Saliva A watery secretion in the mouth produced by the salivary glands that aids in the digestion of food. Saliva…
- Homeopathic Pertaining to homeopathy