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).
Collateral knee ligament, lateral
The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint (collateral ligaments) as well as crossing within the joint (cruciate ligaments). These ligaments provide stability and strength…
Read the definitionRandom terms
Show more- Reinstein syndrome A heritable syndrome characterized by eye disease (specifically, macular degeneration and inverse retinitis…
- Occam's razor The principle of scientific or, in medicine, diagnostic parsimony or 'unitarianism.' In medicine, a clinician…
- Adrenal medulla The inner portion of adrenal gland. (The outer portion is the adrenal cortex). The adrenal medulla makes…
- Speed Common street name for a stimulant drug, especially for an amphetamine. Amphetamines have been used to treat…
- Fibronectin, fetal See: Fetal fibronectin
- Kidney stone Kidney stone: A stone in the kidney (or lower down in the urinary tract). Kidney stones are a common cause of…
- Fiber and cholesterol Soluble fiber substances are effective in helping reduce the blood cholesterol. This is especially true with…
- Glaucoma detection You may know of the 'air puff' test or other tests used to measure eye pressure in an eye examination. But…
- Family history of colon polyps See: Colon cancer family history
- PTU Propylthiouracil, an antithyroid medication, a drug that blocks the production of thyroid hormone by the…
- Mastocytosis A condition characterized by infiltration of mast cells into the tissues of the body. Mast cells are…
- Tachycardia A rapid heart rate, usually defined as greater than 100 beats per minute. The tachycardias include sinus…