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).
Distichiasis
Double rows of eyelashes. The extra eyelashes grow from glands called the Meibomian glands and may protrude into the cornea, producing severe corneal abrasions
Read the definitionRandom terms
Show more- Schadenfreude Pleasure from the misfortune of others. The word entered English in 1895 from the German 'Schade', harm, +…
- Antisense-strand RNA virus See: Negative-strand RNA virus
- Capillary One of the tiny blood vessels that connect the arterioles (the smallest divisions of the arteries) and the…
- Acute epiglottitis A very rapidly progressive infection causing inflammation of the epiglottis (the flap that covers the…
- Urban typhus of Malaya Murine typhus, an acute infectious disease with fever, headache, and rash, all quite similar to, but milder…
- Placenta accreta The abnormal adherence of the chorionic villi (vascular fingers of the chorion, a part of the placenta) to…
- Marburg virus An inherited disorder of connective tissue characterized by abnormalities of the eyes, skeleton, and…
- Syndrome of ichthyosis, spasticity, oligophrenia A: Also known as the Sjogren-Larsson syndrome, this is a genetic (inherited) disease characterized by a triad…
- Olive In neuroanatomy, a rounded oval prominence on the surface of the medulla oblongata in the brain. There are…
- Dendrite A short arm-like protuberance from a nerve cell (a neuron). Dendrites from neurons next to one another are…
- Deficiency, vitamin K A lack of vitamin K resulting in an increase in the clotting time of the blood, impaired clotting and a…
- Qualitative Having to do with quality. In contrast to quantitative (which pertains to quantity, the amount)