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).
Matter, white
The part of the brain that contains myelinated nerve fibers. The white matter is white because it is the color of myelin, the insulation covering the nerve fibers. The white matter is as opposed to the gray matter (the cortex of the brain…
Read the definitionRandom terms
Show more- Beat, premature See: Extrasystole
- XX gonadal dysgenesis with sensorineural deafness See Perrault syndrome
- Transmission, vertical Transmission of a disease-causing agent (a pathogen) vertically from mother directly to baby during the…
- Arthroscope A thin flexible fiberoptic scope which is introduced into a joint space through a small incision in order to…
- Supertaster A supertaster has an unusually large density of taste buds, each surrounded by pain fibers
- Ophthalmia Inflammation of the eye. Also known as ophthalmitis
- Gerstmann-Straussler-Scheinker syndrome See: Gerstmann-Straussler-Scheinker syndrome
- Paralysis, sleep Sleep: A frightening form of paralysis that occurs when a person suddenly finds himself or herself unable to…
- Venous catheterization See: Catherization, venous
- Topical chemotherapy Chemotherapy: Treatment with an anticancer drug in a lotion, ointment or cream that is applied to the skin.
- Fertile Able to conceive and bear offspring.
- Osteopath An osteopathic physician who is a Doctor of Osteopathy (D.O.). In most US states, osteopaths must complete a…