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.
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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- Second degree burn See: Burn, second degree
- Surfactant A fluid secreted by the cells of the alveoli (the tiny air sacs in the lungs) that serves to reduce the…
- Staff of Aesculapius A rod or stick with the snake curled around it is the staff (the rod) of Aesculapius (also called Asklepios)…
- Adjacent Lying nearby. Related terms include superjacent, subjacent, and circumjacent. From ad-, near + the Latin…
- Overgrowth syndrome One in a group of disorders resulting in overgrowth, as evidenced by unusually large size at birth, excessive…
- Respiratory distress syndrome (RDS) Formerly known as hyaline membrane disease, a syndrome of respiratory difficulty in newborn infants caused by…
- Neuroendocrine Having to do with neuroendocrinology: the interactions between the nervous system and the endocrine system
- Neuropathy Any and all disease or malfunction of the nerves
- Cannabinoid receptor 2 One of the two known receptors in the endocannabinoid (EC) system. The gene encoding cannabinoid receptor 2…
- Niemann-Pick disease A biochemical disorder affecting a lipid (fat) called sphingomyelin, resulting usually in progressive…
- Diabetic xanthoma See: Eruptive xanthoma
- Ala Alanine. See also: Amino acid symbols