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).
Elbow joint
Three long bones meet in the middle portion of the arm at the elbow joint. The bone of the upper arm (humerus) meets both the ulna (the inner bone of the forearm) and radius (the outer bone of the forearm) to form a hinge joint. And the…
Read the definitionRandom terms
Show more- Smallpox vaccination of eye See Vaccinia keratitis
- Extremophile An organism that lives under extreme conditions. An example of an extremophile is Methanococcus jannaschii, a…
- Areflexia Absence of neurologic reflexes such as the knee jerk reaction
- Stenosis, pulmonary The pulmonary valve is too tight so that the flow of blood from the right ventricle of the heart into the…
- Trimox See: Amoxicillin
- STD Sexually transmitted disease
- Visual receptor The layer of rods and cones that are the visual cells of the retina
- Atrial flutter Well-organized but overly rapid contractions of the atrium of the heart (usually at a rate of 250-350…
- Differential diagnosis The process of weighing the probability of one disease versus that of other diseases possibly accounting for…
- Department of Health and Human Services The United States government's principal agency for 'protecting the health of all Americans and providing…
- Fever, trench Fever, trench: A disease borne by body lice that was first recognized in the trenches of World War I, when it…
- Homotrisomy Trisomy of the same chromosome. The occurrence of two children in the same family with trisomy 21 is an…