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).
Polyp
A mass of tissue that develops on the inside wall of a hollow organ, as within the colon or rectum. The word polyp comes from the Greek words polys, many + pous, feet. The idea that a polyp has many feet is erroneous. Most polyps have a…
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Show more- Surgery The word 'surgery' has multiple meanings. It is the branch of medicine concerned with diseases and conditions…
- Disease, Minamata A disorder caused by methyl mercury poisoning that was first described in the inhabitants of Minamata Bay…
- Normal tension glaucoma See: Glaucoma, normal tension
- Gene duplication An extra copy of a gene. Gene duplication is a key mechanism in evolution. Once a gene is duplicated, the…
- Filoviridae A family of viruses that cause hemorrhagic fever. Filoviruses have single- stranded RNA as their genetic…
- Corneal topography Also known as videokeratography or corneal mapping, corneal topography is a method of computer-assisted…
- Development, Human, . . . (NICHD) Of Child Health and (NICHD): One of the US National Institutes of Health, NICHD is in a sense the NIH for…
- Foramina of Luschka Opening from the fourth ventricle, one in a system of four communicating cavities called ventricles within…
- Tooth erosion Tooth erosion is a gradual loss of the normally hard surface of the tooth due to chemical, not bacterial…
- Agent, antimicrobial See: Antimicrobial agent
- Ascites Abnormal buildup of fluid in the abdomen. Ascites can occur as a result of a number of conditions, including…
- Boutonneuse Fievre boutonneuse or African tick typhus, one of the tick-borne rickettsial diseases of the eastern…