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
The juncture of the long bones in the middle portion of the arm. 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 at the elbow. The…
Read the definitionRandom terms
Show more- Syndrome, temporomandibular joint Disorder of the temporo-mandibular joint (TMJ) causing pain usually in front of the ear. Pain in the TMJ can…
- Youth violence Violence involving young persons, typically children, adolescents, and young adults between the ages of 10…
- Vein, inferior vena cava A large vein that receives blood from the lower extremities, pelvis and abdomen and empties it into the right…
- Heterochromatin, constitutive Heterochromatin that is fixed and irreversible. Regions of constitutive heterochromatin are located at very…
- Period, gestation The period of development of the young from the time of conception until birth. For humans the full gestation…
- Nails, ringworm of the Ringworm of the: The most common fungus infection of the nails, also called onychomycosis. Onychomycosis…
- Water fluoridation The addition of fluoride to water supplies that are low in fluoride in order to prevent dental caries. For…
- Rhythm, sinus The normal regular rhythm of the heart set by the natural pacemaker of the heart called the sinoatrial (or…
- Infection, Vincent This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Cardiac output The amount of blood that is pumped by the heart per unit time, measured in liters per minute (l/min). The…
- Reed-Sternberg cell A type of cell that appears in patients with Hodgkin's disease. The number of these cells increases as the…
- Civilian Health and Medical Program of the Uniform Rvices: See: CHAMPUS