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- Chickenpox immunization Immunization designed to prevent or lessen the severity of the common disease known as chickenpox. The…
- Leukocytosis Increase in the number of white blood cells.
- Androgen A male sex hormone that promotes the development and maintenance of the male sex characteristics. The major…
- ECT Electroconvulsive therapy
- Cancer, prostatic Cancer of the gland (prostate) that produces some of the components of semen fluid. The second leading cause…
- IL-4 Interleukin-4
- Seizure, tonic-clonic See: Tonic-clonic seizure
- Velvet ant sting Common in most parts of the world including the Southern and Southwestern United States, velvet ants are not…
- Sequela A pathological condition resulting from a prior disease, injury, or attack. As for example, a sequela of…
- Ants, velvet Ommon in most parts of the world including the Southern and Southwestern U.S., velvet ants are not true ants…
- Cleidocranial dysostosis >Absent or incompletely formed collar bones (the 'cleido-' part refers to the clavicles, the collar bones)…
- Zolmitriptan Zolmitriptan: A triptan drug for the treatment of migraine. Marketed under the brand name Zomig.