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).
Granulomatosis, Wegener's
An inflammatory disease of small arteries and veins (vasculitis) that classically involves vessels supplying the tissues of the lungs, nasal passages (sinuses), and kidneys. Symptoms include fatigue, weight loss, fevers, shortness of…
Read the definitionRandom terms
Show more- Ophthalmitis Inflammation of the eye. Also known as ophthalmia
- Esophagogastroduodenoscopy Esophagogastroduodenoscopy: Also known as EGD or upper endoscopy. A procedure that enables the examiner…
- Otalgia Ear pain; earache. Otalgia can originate within the ear, the ear canal, or the external ear. From otos, the…
- Mutation, hereditary Mutation, hereditary: A heritable change in the DNA of a gene or chromosome in a cell destined to become an…
- Herniorrhaphy The surgical repair of a hernia. Herniorrhaphy may be done under local or general anesthesia using a…
- Carbolic acid A synonym of phenol. In dilute solution, an antimicrobial agent. First used to clean wounds and dress them by…
- Tissue, lymphoid A part of the body's immune system that helps protect it from bacteria and other foreign entities. Lymphoid…
- Colon cancer, family history of The presence of a history of colorectal cancer in a family. The colon cancer risk is higher if an immediate…
- Biochemical aspirin resistance The inability of aspirin to produce an anticipated effect on one or more tests of platelet function, such as…
- Psoralen photochemotherapy See: PUVA
- Prosthesis, ocular See: Ocular prosthesis
- Nerve compression 'Pinching' a nerve by putting too much pressure on it. For example, the sciatic nerve may be painfully…