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.
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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).
Opium
An addictive narcotic drug derived from the unripe seedpods of the opium poppy. Preparations of opium were called laudanum. Derivatives of laudanum include paregoric (a drug to treat diarrhea), morphine and heroin. For centuries, opium was…
Read the definitionRandom terms
Show more- Fetal mortality rate The ratio of fetal deaths divided by the sum of the births (the live births + the fetal deaths) in that year…
- Pustular psoriasis A type of recurring psoriasis characterized by the appearance of pus-filed pimples and sores in clusters. It…
- Sharp Medical slang for a needle or similar pointed object
- Pelvic Having to do with the pelvis, the lower part of the abdomen, located between the hip bones
- Syndrome, dengue shock A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage…
- Interventricular foramen An opening between the lateral and third ventricles in a system of four communicating cavities within the…
- Colorectal polyp A polyp (a fleshy growth) on the inside lining of the colon or rectum. For more information, see: Colon polyp
- Synovial lining The lining of the joint.
- Motility study, antro-duodenal An antro-duodenal motility study is a study for detecting and recording the contractions of the muscles of…
- Gingivitis, fusospirillary This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Insemination, heterologous A procedure in which a fine catheter (tube) is inserted through the cervix (the natural opening of the…
- Pneumoconiosis, coal miner's See: Black lung disease