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).
Medulla oblongata
The base of the brain, which is formed by the enlarged top of the spinal cord. This part of the brain directly controls breathing, blood flow, and other essential functions
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Show more- Trachoma A chronic inflammatory eye disease due to infection with a bacterium called Chlamydia trachomatis. Trachoma…
- Crohn colitis Crohn disease involving only the large intestine (colon). Crohn disease is a chronic inflammatory disorder…
- Renal vein thrombosis Blood clot in the major vein that drains blood from the kidney
- Eardrum The tympanic membrane of the ear, or tympanum, the membrane that separates the middle ear from the external…
- Gland, adrenal One of a pair of small glands, each of which sits on top of one of the kidneys. The adrenal is made up of an…
- Disease, adult celiac This condition results from an immune (allergic) reaction to gluten, a protein found in wheat and related…
- Fiber Fiber: The parts of plants that cannot be digested, namely complex carbohydrates. Also known as bulk or…
- Heterosexuality Sexuality directed toward someone of the opposite sex
- Myotonic dystrophy type 2 An inherited disorder of the muscles and other body systems characterized by progressive muscle weakness…
- Cidal Suffix indicating killing, as in bacteriocidal (capable of killing bacteria) and in suicidal (the killing of…
- PEEP Peeping tom (voyeurism) is a disorder that involves achieving sexual arousal by observing an unsuspecting and…
- PTC (percutaneous transhepatic cholangiography) See: Cholangiography, percutaneous transhepatic