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).
Nasal septum perforation
A hole in the nasal septum, the wall inside the nose that runs down the middle dividing it into two sides. The hole provides a direct communication between the two normally-separate sides of the nose. Perforation of the nasal septum can be…
Read the definitionRandom terms
Show more- Fluctuating rib One of the last two ribs. A rib is said to be 'fluctuating' if it does not attach to the sternum (the breast…
- Thyroid hormone A chemical substance made by the thyroid gland for export into the bloodstream. The thyroid gland needs…
- Leukemia, smoldering A condition in which the bone marrow does not function normally. It does not produce enough blood cells. This…
- Hughlings Jackson, John (1835-1911) English physician who pioneered the development of neurology as a medical specialty during the…
- Infection, Vincent This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Hereditary progressive arthro-ophthalmopathy See: Stickler syndrome
- Peristalsis The rippling motion of muscles in the digestive tract. In the stomach, this motion mixes food with gastric…
- Transthyretin A plasma protein consisting of 127 amino acids that binds retinol and thyroxine. The gene TTR that encodes…
- Gene, Y-linked A gene on the Y chromosome. (Y-linkage is analogous to X-linkage (the presence of a gene on the X chromosome)…
- Bone, giant cell tumor of A tumor of bone characterized by massive destruction of the end (epiphysis) of a long bone. The site most…
- Supernumerary placenta A succenturiate or accessory placenta
- Disorder, social anxiety Excessive fear of embarrassment in social situations that is extremely intrusive and can have debilitating…