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).
Fifth cranial nerve
The fifth cranial nerve is the trigeminal nerve. The trigeminal nerve is quite complex. It functions both as the chief nerve of sensation for the face and the motor nerve controlling the muscles of mastication (chewing). Problems with the…
Read the definitionRandom terms
Show more- Vaccination, hepatitis A See: Hepatitis A immunization
- MUTYH See: MYH
- Syndrome, acute respiratory distress Better known as ARDS. See: ARDS
- AP, X-ray An X-ray picture in which the beams pass from front-to-back (anteroposterior). As opposed to a PA…
- Histiocytosis X Now called Langerhans cell histiocytosis. This disease is subclassified into eosinophilic granuloma, Letterer…
- Rib, true One of the first 7 pairs of ribs. A rib is said to be 'true' if it attaches to the sternum (the breast bone)…
- DHRD Doyne honeycomb retinal dystrophy, an eye disease also known as malattia leventinese. See: Malattia…
- Incidence The frequency with which something, such as a disease, appears in a particular population or area. In disease…
- Ileum The lowest part of the small intestine, located beyond the duodenum and jejunum, just before the large…
- Dyskinesia Difficulty or distortion in performing voluntary movements, as in tic, chorea, spasm, or myoclonus. The term…
- Macula A macula is a small spot. A macula on the skin is a small flat spot while the macula in the eye is a small…
- Muscle, heart A type of muscle with unique features only found in the heart. The heart or cardiac muscle is medically…