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).
Microscopic gallstones
Gallstones: A mixture of microscopic particulate matter in bile, also called biliary sludge, that occurs when particles of material precipitate from bile. (Bile is the fluid that is made by the liver. It is stored in the gallbladder until…
Read the definitionRandom terms
Show more- Hygiene theory See: Hygiene hypothesis
- Bone cyst, aneurysmal A benign lesion in a bone that contains connective tissue and blood inside a thin bony shell and that acts…
- Toc- (prefix) Stemming from the Greek word 'tokos' meaning childbirth, we have toc-, toco-, tok-, and toko- as combining…
- Parkinson, James (1755-1824) English physician and paleontologist who gave a classic account in 1817 of a chronic, slowly…
- Gamete intrafallopian transfer (GIFT) A technique in which the male and female germ cells required to begin formation of a human embryo are…
- Asymptomatic Without symptoms. For example, an asymptomatic infection is an infection with no symptoms
- Tunica albuginea The whitish membrane within the penis that surrounds the spongy chambers (corpora cavernosa) in the penis and…
- Antisense drug A medication containing part of the non-coding strand of messenger RNA (mRNA), a key molecule involved in the…
- Flutter Flutter is a rapid vibration or pulsation. The difference between flutter and fibrillation is that flutter is…
- Xanthopsia A form of chromatopsia, a visual defect in which objects appear as if they have been overpainted with an…
- Constipation Constipation: Infrequent (and frequently incomplete) bowel movements. The opposite of diarrhea, constipation…
- Freckle A flat circular spot on the skin about the size of the head of a nail that develops after repeated exposure…