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).
Knock-knees
An abnormal curve of the legs that causes the knees to touch or nearly touch while the feet are apart. The problem may arise in the bone structure itself, or in some cases it develops gradually as a result of muscle abnormalities. Knock-…
Read the definitionRandom terms
Show more- Syndrome, Gelineau A neurological disorder marked by a sudden recurrent uncontrollable compulsion to sleep. Named for a French…
- Gullet The esophagus. The words esophagus and gullet differ in origin. Esophagus comes from the Greek whereas gullet…
- Stickler-Wagner syndrome See: Stickler syndrome
- Pituitary adenoma A benign tumor of the pituitary, the master gland that controls other glands and influences numerous body…
- Plethoric Florid, red-faced.
- Immunoglobulin A protein produced by plasma cells and lymphocytes and characteristic of these types of cells…
- PPMA (post-polio muscular atrophy) Late muscle wasting that occurs as part of the post-polio syndrome (PPS), a constellation of symptoms and…
- Stricture, esophagus, acute A narrowing or closure of the normal opening of the swallowing tube leading to the stomach, usually caused by…
- Annexin V Annexin V is the cause of a syndrome called the antiphospholipid antibody syndrome with abnormal blood…
- Beals See: Beals, Rodney K.
- Radiation therapy, external Radiation therapy in which the source of radiation is a machine outside the body
- Citrovorum factor See: Leucovorin