MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
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).
Mark of Cain
The mark that God set upon Cain, the eldest son of Adam. According to the Book of Genesis in the Bible, God rejected Cain's grain offering while accepting the animal offering of his brother Abel. Out of jealousy, Cain murdered his brother…
Read the definitionRandom terms
Show more- Nervus ulnaris See: Ulnar nerve
- Study, crossover A type of clinical trial in which the study subjects receive each treatment in a random order. In this type…
- Poisoning, silver Silver poisoning, medically termed argyria, causes ashen gray discoloration of the skin (and other tissues of…
- Retardation, reading Reading retardation means impaired ability to read. Reading retardation is an impairment that may, for…
- Barotitis Middle ear problems due to changing atmospheric pressures, as when a plane descends to land. The problems…
- Pulmonary artery One of the two vessels which are formed as terminal branches of the pulmonary trunk and convey unaerated…
- TSI Stands for Thyroid Stimulating Immunoglobulin. The TSI level is abnormally high in persons with…
- Heptad repeat A type of tandem repeat sequence in which a group of seven aminoacids occurs many times in a protein…
- Plummer-Vinson syndrome Iron deficiency anemia, esophageal webs, and dysphagia (difficulty swallowing). The iron deficiency is…
- Mustard plaster A mild mixture of mustard seed powder, an adhesive such as flour, and water warmed and spread on a moist…
- Coronary bypass A bypass of a plaque within a coronary artery using part of a vein as a graft. See: Coronary artery bypass…
- Y-linked A gene on the Y chromosome. A Y-linked gene is by necessity passed from father to son, since the Y chromosome…