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).
Sleep apnea, obstructive
Sleep apnea is a breathing disorder characterized by brief interruptions of breathing during sleep. It owes its name to a Greek word, apnea, meaning 'want of breath.' There are two types of sleep apnea: central and obstructive. > >Central…
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Show more- Neurobiological disorder An illness of the nervous system caused by genetic, metabolic, or other biological factors. Many illnesses…
- Elastin A protein that coil and recoils like a spring within the elastic fibers of connective tissue and accounts for…
- Cancer, lung Cancer of the major organ of respiration - the lung. Lung cancer kills more men and women than any other form…
- ADA (American Dental Association) The mission statement of the ADA reads as follows: 'The ADA is the professional association of dentists…
- Nurse, licensed practical A nurse who has completed a one- or two-year training program in health care and earned a state license. LPNs…
- Afferent vessel A vessel that carries blood toward the heart. A vein or venule
- AAD American Association of Dermatology, one of many important professional societies in the health arena. The…
- Cerebrovascular ferrocalcinosis A condition, first described in 1930 by T. Fahr and therefore called Fahr syndrome, that is a genetic…
- Fomentation A quaint old term for the application of hot packs or the substance so applied. From the Latin 'fovimentum'…
- Sigmoid In human anatomy, the lower colon (the lower portion of the large bowel). 'Sigmoid' is short for 'sigmoid…
- EM (electron microscope) A microscope in which an electron beam replaces light to form the image. EM stands for electron microscope…
- Advance directives These directives pertain to treatment preferences and the designation of a surrogate decision-maker in the…