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).
Sun protection factor (SPF)
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 the sun's burning…
Read the definitionRandom terms
Show more- Symptomatic treatment Therapy that eases the symptoms without addressing the basic cause of the disease. For example, symptomatic…
- ZIFT Stands for zygote intrafallopian transfer, a method used to treat infertility in which an egg fertilized in…
- Acute respiratory distress syndrome Better known as ARDS. See: ARDS
- FMR1 The gene responsible for the production of a protein called FMRP. Lack of FMRP results in the fragile X…
- Fear of sharks Excessive and persistent fear of sharks is termed galeophobia. Sufferers from this phobia experience anxiety…
- Atonic Without normal muscle tone or strength. An atonic seizure is one in which the person suddenly loses muscle…
- Vein, splenic A vein that is formed by the union of several small veins draining blood from the stomach, pancreas and…
- Body type A somewhat old-fashioned term used to classify the human shape into three primary types: ectomorphic…
- Pollenosis See: Pollinosis
- Olivo- Pertaining to the olive, a structure in the brain
- Elastin A protein that coil and recoils like a spring within the elastic fibers of connective tissue and accounts for…
- EDS (excessive daytime sleepiness) A neurological disorder marked by a sudden recurrent uncontrollable compulsion to sleep. Also known as…