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).
Dicentric chromosome
An abnormal chromosome with two centromeres rather than the normal one. Every normal chromosome has one centromere that tethers it to the pole of the spindle and is essential to the chromosome at the time of cell division. However, a…
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Show more- Conjunctivitis, allergic Inflammation of the whites of the eyes (the conjunctivae) with itching and redness of the eyes and tearing…
- Fluorescein angiography A test to examine blood vessels in the retina, choroid, and iris of the eye. A special dye is injected into a…
- Radiopaque Anything that does not let X-rays or other types of radiation penetrate. Radiopaque objects block radiation…
- Allergy, soy milk Allergy, soy milk: Soy protein formulas contain no cow milk and are therefore reasonable alternatives for…
- Behavior, automatic A behavior that is performed without conscious knowledge and that does not appear to be under conscious…
- Neonatal jaundice Jaundice: Yellowish staining of the skin and whites of the newborn's eyes (sclerae) by pigment of bile…
- Pachyonychia congenita of the Jadassohn-Lewandowsk E: This is a type of pachyonychia congenita (elephant nails from birth). The characteristic features include…
- AHD Abbreviation for alveolar hydatid disease; American Hospital Directory; and atherosclerotic heart disease
- PVS Pigmented villonodular synovitis
- PROMM Proximal myotonic myopathy. See: Myotonic dystrophy type 2
- Osgood-Schlatter disease Osgood-Schlatter disease: A condition involving inflammation and sometimes tearing of ligaments within the…
- Phantom tooth Persistent pain in the area from which a tooth has been extracted. Phantom tooth pain may last for months and…