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).
Nurse, registered
A nurse who has completed a two- to four-year degree program in nursing, and provides direct patient care for acutely or chronically ill patients. RNs may further specialize in a particular area. For example, psychiatric nurses are RNs…
Read the definitionRandom terms
Show more- Urinary infection in children See: Urinary tract infection in children
- MTX Abbreviation for methotrexate
- Seventh cranial nerve paralysis Known as Bell's palsy, this is paralysis of the facial nerve, the nerve that supplies the facial muscles on…
- Infantilism, Brissaud's An eponym that is little used (in the USA) for hypothyroidism (subnormal activity of the thyroid gland) that…
- Malrotated ear An ear that is slanted more than usual. Technically, an ear is slanted when the angle of the slope of the…
- Sleep jerk See: Hypnic jerk
- Syndrome, MASA MASA stands for mental retardation, aphasia, shuffling gait, and adducted thumbs. Features of the syndrome…
- Reaction, polymerase chain See: Vasovagal reaction.
- Hereditary angioedema A genetic form of angioedema. (Angioedema is also referred to as Quinke's disease.) Persons with it are born…
- Eczema, contact A localized reaction that includes redness, itching, and burning where the skin has come into contact with an…
- Intravenous pyelogram An x-ray of the kidneys and urinary tract. Structures are made visible by the injection of a substance that…
- Bile acid An acid made by the liver that works with bile to break down fats. On a more technical level, bile acids are…