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).
Arg
Arginine. See also: Amino acid symbols
Read the definitionRandom terms
Show more- Migraine aura Sensory phenomena that may occur before a migraine. Visual auras may include flashing lights, geometric…
- Aristotle Aristotle of Stagira (384-322 B.C.), Greek philosopher and scientist. The son of a physician, Aristotle was a…
- AV node An electrical relay station between the atria (the upper) and the ventricles (the lower chambers of the…
- Digit, supernumerary An extra finger or toe
- Osteomalacia Softening of bone, particularly in the sense of bone weakened by demineralization (the loss of mineral) and…
- Antipsychotic A medication (or another measure) that is believed to be effective in the treatment of psychosis. For…
- High blood sugar An elevated level of the sugar glucose in the blood. Also called hyperglycemia. High blood sugar is a finding…
- Sleep apnea, obstructive Sleep apnea is a breathing disorder characterized by brief interruptions of breathing during sleep. It owes…
- Subacute Rather recent onset or somewhat rapid change. The term 'subacute' is used in contrast to acute which…
- Pruritic Itchy. A scab may be pruritic
- Pains, growing Mysterious pains in growing children, usually in the legs. These pains are similar to what the weekend…
- Atypical measles syndrome (AMS) Measles syndrome (AMS): An altered expression of measles, AMS begins suddenly with high fever, headache…