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).
Respiratory disease, acute
A sudden condition in which breathing is difficult and the oxygen levels in the blood abruptly drop lower than normal
Read the definitionRandom terms
Show more- Low vision device A devise to help to improve visual ability of a person with low vision. Low vision devices may be optical or…
- Scleroconjunctival Pertaining to both the sclera and the conjunctiva. The sclera, a tough white outer coat that covers most of…
- Chondromalacia patellae The patellofemoral syndrome (PFS), the most common cause of chronic knee pain. PFS characteristically causes…
- Microangiopathy Angiopathy means disease of the blood vessels (arteries, veins, and capillaries). There are two types of…
- Systolic click-murmur syndrome See: Mitral valve prolapse
- Node, sentinel lymph The first lymph node ('gland') to receive lymphatic drainage from a tumor. Which lymph node is the sentinel…
- Cardiomyopathy, hypertrophic Heart disease. A nonspecific term applicable to any and all diseases of the heart. From cardio- + the Greek…
- Melioidosis Melioidosis: An infectious illness, also called Whitmore's disease, that is most frequent in Southeast Asia…
- Intradiskal electrothermal therapy A procedure designed to relieve back pain due to damage to the disks between the spine bones. Called IDET for…
- Supernumerary Beyond the normal number. Anything supernumerary is extra. A supernumerary chromosome is an extra one beyond…
- Ophthalmoplegia with ragged-red fibers See: Kearns-Sayre syndrome
- Kinesin A family of microtubule motor proteins active in mitosis. The kinesins use chemical energy from the…