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).
AGXT
A gene that provides instructions for making a liver enzyme called alanine-glyoxylate aminotransferase (AGXT). Inside liver cells, this enzyme is found in peroxisomes, structures that contain many different enzymes used to produce energy…
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Show more- Feedback Many biologic processes are controlled by feedback, just as the temperature in a home from a furnace is…
- Leiomyoma A benign tumor of smooth muscle, the type of muscle that is found in the heart and uterus. A leiomyoma of the…
- Microsomia Too small a body. A child with microsomia has significant undergrowth. The prefix 'micro-' is derived from…
- Elephantiasis Lymphatic filariasis, a mosquito-borne parasitic disease caused by tiny thread-like worms that live in the…
- Heterochromia iridis A difference of color between the iris of one eye and the other. (A person with one brown and one blue eye…
- Odynophagia Pain on swallowing food and fluids, a symptom often due to disease of the esophagus. From the Greek roots…
- Quasidominant Pattern of inheritance that seems due to a dominant trait but is in fact due to the mating of a person who…
- Mousepox A disease of mice caused by the ectromelia virus. See: Ectromelia virus
- Exotropia Divergent gaze. Also called external strabismus or, pejoratively, wall-eyed (like a walleyed pike).
- Zinsser disease Also called Brill-Zinsser disease, recrudescence of epidemic typhus years after the initial attack. The agent…
- Exanthem A rash. The word 'exanthem' comes from the Greek 'exanthema' which means 'a breaking out.' 'Anthos' in Greek…
- Amnesia, retrograde See: Retrograde amnesia