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).
Extension
The process of straitening or the state of being strait. Extension of the hip and knee joints is necessary to stand up from the sitting position.
Read the definitionRandom terms
Show more- RMSF Rocky Mountain spotted fever.
- Hemorrhage Bleeding or the abnormal flow of blood. The patient may have an internal hemorrhage that is invisible or an…
- Salter-Harris fracture A traumatic fracture around or through the growth plate (the epiphyseal plate) of a bone in a child
- Optic Having to do with vision.
- Chromosome, X See: Chronic myelogenous leukemia.
- Giant hypertrophic gastritis A premalignant disorder of the stomach characterized by overgrowth of the stomach lining (the gastric mucosa)…
- Hong Kong flu A pandemic of influenza A (H3N2) in 1968-69. This virus was first detected in Hong Kong in early 1968 and…
- OCG Oral cholecystogram
- Incontinent Unable to control excretions, to hold urine in the bladder or keep feces in the rectum. This is the usual…
- Cell lineage A genealogic pedigree of cells related through mitotic division
- Tuberous sclerosis 2 The TSC2 gene involved in causing the disease tuberous sclerosis. See: TSC2
- Strain 1. An injury to a tendon or muscle resulting from overuse or trauma. 2. A hereditary tendency that originated…