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).
Hemiparesis
Weakness on one side of the body.
Read the definitionRandom terms
Show more- Trichinosis Trichinosis: See: Trichinellosis.
- IL-1 Interleukin-1
- Diarrhea, traveler's Diarrhea illness associated with travel to a foreign country. Among the causes of traveler's diarrhea are…
- Serratus One of several muscles of the back and thorax. that have interdigitating slips that ressemble the notches on…
- Premature contraction See: Extrasystole
- Cleft palate An opening in the roof of the mouth (the palate) due to a failure of the palatal shelves to come fully…
- Disorder, seasonal affective (SAD) Depression that tends to occur (and recur) as the days grow shorter in the fall and winter. It is believed…
- Sphenopalatine neuralgia A distinctive syndrome of headaches, better known today as cluster headache. There are two main clinical…
- Blister agent See: Vesicant
- Descending pathway A nerve pathway that goes down the spinal cord and allows the brain to control movement of the body below the…
- Ointment A medication preparation that is applied topically (onto the skin). An ointment has an oil base whereas a…
- Alveolus One of the tiny air sacs located at the very ends of the bronchioles within the lungs where the exchange of…