MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Homocystinuria
A genetic disease due to an enzyme deficiency. Among other events, there is a buildup of the amino acid homocystine. Progressive mental retardation is common in untreated cases. The finding of vascular disease and premature…
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Show more- Thymosin One of several polypeptide hormones secreted by the thymus that control the maturation of T cells. They are…
- In-law A relative by marriage. An in-law is not a biologic relative. This distinction is of importance in a medical…
- Histoplasmosis A disease caused by the fungus Histoplasma capsulatum. Most people with histoplasmosis have no symptoms…
- Test, syphilis (RPR) Rapid plasma reagin, a blood test for syphilis that looks for an antibody that is present in the bloodstream…
- Vaccine, live polio See: Polio vaccine, oral
- Maternal serum alpha-fetoprotein (MSAFP) The presence of AFP, a plasma protein normally produced by the fetus, in the mother's blood. MSAFP serves as…
- Conjunctivitis Inflammation of the conjunctiva, the membrane on the inner part of the eyelids and the membrane covering the…
- Aerophagia Swallowing too much air, a common cause of gas in the stomach and belching. Everyone swallows small amounts…
- Housemaid's knee See Prepatellar bursitis
- Stargardt disease An hereditary eye disease that is one of the most frequent causes of macular degeneration in childhood. (The…
- Growth, normal See: Normal growth
- Palmar Pertaining to the palm (the grasping side) of the hand. The ancient Romans used the word 'palma' for the…