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).
Angina trachealis
Angina trachealis: This has nothing whatsoever to do with the usual type of angina (angina pectoris) which is chest pain of cardiac origin. Angina trachealis is more commonly known as croup. This is an infection of the larynx, trachea, and…
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Show more- Ragged red fibers with CPEO See: Kearns-Sayre syndrome
- Uterine fibroids The fornix of the uterus (known in medical Latin as the "fornix uteri") refers to the anterior (front) and…
- Disease, Crohn A chronic inflammatory disease primarily involving the small and large intestine but which can affect other…
- Deficiency, lactase Not enough of an enzyme called lactase in the small intestine to digest lactose, a prominent component of…
- Ophthalmic veins The orbital cavity is drained by paired veins called the superior and inferior ophthalmic veins. The superior…
- External fixation A procedure that stabilizes and joins the ends of fractured (broken) bones by a splint or cast. External…
- Psoriasis, erythrodermic A particularly inflammatory form of psoriasis that often affects most of the body surface. It is the least…
- Septic bursitis A bursa is a closed fluid-filled sac that functions as a gliding surface to reduce friction between tissues…
- Spastic pseudoparalysis Better known as Creutzfeldt-Jakob disease (CJD). A dementing disease of the brain. CJD is believed to be due…
- Tarsal cyst Also called a Meibomian cyst or a chalazion. A tarsal cyst is an inflammation of the oil gland of the eyelid
- Stem cell, spermatogonial See: Sperm stem cell
- Hemizygous Having only a single copy of a gene instead of the customary two copies. All of the gene on the single X…