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).
Histo spot
A small circular punched-out spot in the retina at a site where spores of the fungus histoplasma (histo) seeded in the eye. Histo spots may be multiple, found in both eyes, and scattered throughout the retina. Histo spots in the macula are…
Read the definitionRandom terms
Show more- Mosaic An individual or tissue containing two or more types of genetically different cells. All females are mosaics…
- Acquired epileptiform aphasia See Landau-Kleffner syndrome
- Joint, acromioclavicular The acromioclavicular (AC) joint is located between the acromion (a projection of the scapula that forms the…
- Glycemic index An indicator of the ability of different types of foods that contain carbohydrate to raise the blood glucose…
- Corn A small calloused area of skin caused by local pressure irritating tissue over a bony prominence. Corns most…
- Ribonucleic acid (RNA) A combination of ribonucleic acid (RNA) and protein. In autoimmune diseases, antibodies can form against…
- Radiation, background See: Background radiation
- Genitalia, ambiguous See: Ambiguous genitalia
- Exhibitionism Ashing'): Exhibitionism is characterized by intense, sexually arousing fantasies, urges or behaviors…
- Shin spot A light brown or reddish oval or round scaly patch on the skin of the shin. Shin spots can be due to…
- Integron A mobile DNA element that can capture and carry genes, particularly those responsible for antibiotic…
- Itching, anal See: Anal itching