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).
SPF
Protection factor): A number on a scale for rating sunscreens. SPF stands for Sun Protection Factor. SPF numbers on a package can range from as low as 2 to as high as 60. These numbers refer to the product's ability to screen or block out…
Read the definitionRandom terms
Show more- Acetyl coenzyme A An important metabolic intermediate, derived from various pathways, such as glycolysis, fatty acid oxidation…
- Pandiculation The act of stretching and yawning. (If you are in a public place, you might consider demonstrating the…
- Ulcer, gastric A hole in the lining of the stomach corroded by the acidic digestive juices which are secreted by the stomach…
- Pagon syndrome Congenital anemia with spinocerebellar ataxia (wobbliness). The anemia is characterized by sideroblasts…
- ALCAM A receptor expressed on T cells which is involved in the adhesion of cells. ALCAM stands for activated…
- Castration Removal of the sex glands, usually used to indicate removal of the male testicles
- Scoliosis, idiopathic A structurally normal spine that appears to have a lateral curve (scoliosis). Nonstructural scoliosis…
- Cranial nerve, eighth The eighth cranial nerve is the vestibulocochlear nerve. The vestibulocochlear nerve is responsible for the…
- Biomarker A biochemical feature or facet that can be used to measure the progress of disease or the effects of treatment
- Croup Croup: A respiratory problem that occurs mainly in children, particularly from 2 to 4 years of age, due to an…
- Epicondylitis, lateral See: Tennis elbow
- Glaucoma, low tension See: Glaucoma, normal tension