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).
Fibrodysplasia ossificans progressiva (FOP)
A rare but dramatic genetic disorder that turns muscles, tendons and ligaments into bone, threatening to transform the victim into 'a statue of stone.' FOP is characterized by physical handicap due to bone forming in the wrong places and…
Read the definitionRandom terms
Show more- Sigmoidoscopy Inspection of the rectum and lower colon using a thin lighted tube called a sigmoidoscope. Samples of tissue…
- Alcoholics Anonymous A free, self-help organization founded to assist people addicted to alcohol in breaking old behavior patterns…
- Endocardium The lining of the interior surface of the heart chambers. The endocardium consists of a layer of endothelial…
- Inflammatory response A fundamental type of response by the body to disease and injury, a response characterized by the classical…
- Cholecalciferol Vitamin D3
- Angry Pertaining to anger, an emotional state that may range in intensity from mild irritation to intense fury and…
- Penicillin Penicillin: The most famous of all antibiotics, named for the fungal mold Penicillium notatum from which it…
- Optic neuroma A slow-growing benign tumor of the optic nerve. Optic gliomas are associated with neurofibromatosis type 1…
- Scintigraphy A diagnostic test in which a two-dimensional picture of a body radiation source is obtained through the use…
- Sinus rhythm The normal regular rhythm of the heart set by the natural pacemaker of the heart called the sinoatrial (or…
- HDL Lipoproteins, which are combinations of lipids (fats) and proteins, are the form in which lipids are…
- Teratogenic Able to disturb the growth and development of an embryo or fetus. See also: Teratogen and Teratogenic drugs