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).
Syndrome, locked-in
A neurological disorder characterized by complete paralysis of voluntary muscles in all parts of the body except for those that control eye movement. The locked-in syndrome is usually a complication of a cerebrovascular accident (a stroke)…
Read the definitionRandom terms
Show more- Facial nerve paralysis Loss of voluntary movement of the muscles on one side of the face due to abnormal function of the facial…
- Epi- A fold of skin that comes down across the inner angle (canthus) of the eye. The epicanthal fold is more…
- Acute kidney failure See: Acute renal failure
- Norwalk virus A family of small round viruses that are an important cause of viral gastroenteritis (viral inflammation of…
- Gynecoid obesity A fat distribution generally characteristic of that of a woman, around the hips, etc. Gynecoid means like a…
- Test, EPO A test of the hormone EPO (erythropoietin) in blood. The EPO level can indicate bone marrow disorders, kidney…
- Neurosis A chronic disorder featuring irritability of the nervous system (nervousness) and characterized by anxiety…
- Syndrome, renal, with hemorrhagic fever A number of diseases, also known as hemorrhagic fever, characterized by an abrupt onset of high fever and…
- Biliary sludge A mixture of microscopic particulate matter in bile that occurs when particles of material precipitate from…
- Inversion, paracentric chromosome A basic type of chromosome rearrangement in which a segment that does not include the centromere (and so is…
- Severe cyclonic storm A regionally specific name for a strong tropical cyclone in the North Indian Ocean. Other terms for precisely…
- Cataract, nuclear A cataract that occurs in the center (the nucleus) of the lens. See: Cataract