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).
Abdomen
The belly, that part of the body that contains all of the structures between the chest and the pelvis. The abdomen is separated anatomically from the chest by the diaphragm, the powerful muscle spanning the body cavity below the lungs. The…
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Show more- Iodine, radioactive An isotope of the chemical element iodine that is radioactive. Radioactive iodine is used in diagnostic tests…
- Lung, and Blood Institute, National Heart, BI): One of the National Institutes of Health in the U.S., the NHLBI's mission is to 'provide leadership for…
- Glycine An amino acid, one of the 20 building blocks of protein. A nonessential amino acid, glycine is part of many…
- Idiopathic Of unknown cause. Any disease that is of uncertain or unknown origin may be termed idiopathic. For example…
- Roentgenology Radiology, the science of radiation and, specifically, the use of both ionizing (like X-ray) and nonionizing…
- Policosanol A product derived from the waxy coating of sugar cane that lowers both the total cholesterol and the 'bad'…
- Angiosarcoma A type of cancer that begins in the lining of blood vessels. This type of tumor tends to be aggressive, recur…
- Subacute spongiform encephalopathy See: Gerstmann-Straussler-Scheinker syndrome
- Vertebra, first cervical The first cervical (neck) vertebra is called the atlas. It supports the head. The atlas bone is named for the…
- Muscle, infraspinatus >The infraspinatus muscle; >The teres minor muscle, which (like the infraspinatus muscle) helps in the…
- Orgasmic inhibition See: Anorgasmia
- Atropine A drug obtained from belladonna that is administered via injection, eye drops, or in oral form to relax…