MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
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).
Four-finger line
See: Simian crease
Read the definitionRandom terms
Show more- Metered-dose inhaler Abbreviated MDI. A device that delivers a measured amount of medication as a mist the patient can inhale. A…
- Corpus callosotomy The corpus callosum is a band of nerve fibers connecting the two halves (hemispheres) of the brain. A corpus…
- Alzheimer's disease Alzheimer's disease: A progressive neurologic disease of the brain that leads to the irreversible loss of…
- Nummular eczema Coin-shaped patches of irritated skin-most common on the arms, back, buttocks, and lower legs that may be…
- Discharge 1.The flow of fluid from part of the body, such as from the nose or vagina.2. The passing of an action…
- Radiologist A physician specialized in radiology, the branch of medicine that uses ionizing and nonionizing radiation for…
- Solipsism The doctrine that I alone exist. The self can know only its feelings and changes. There is only subjective…
- Hepatitis B immunization Hepatitis B immunization: Hepatitis B (hep B) vaccine gives prolonged protection, but 3 shots over a half…
- Hair follicle A sac from which a hair grows and into which the sebaceous (oil) glands open. The follicle is lined by cells…
- Warble A small hard nodule produced by the larva of a fly that has penetrated the skin. The warble can be…
- Durable power of attorney This is a type of advance medical directive in which legal documents provide the power of attorney to another…
- Syndrome, Cogan A form of arteritis (also referred to as vasculitis) that involves the ear. This condition is called Cogan…