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).
Welt
A red bump, ridge or swelling of unbroken skin raised by a stinging blow or by an allergic reaction to foods, drugs or insect bites, as in hives (urticaria). The word 'welt' has a number of nonmedical but related meanings including: in…
Read the definitionRandom terms
Show more- Coxa valga Inward curvature of the hip. Malformation of the hip at birth, such as coxa valga, can increase one's risk…
- Cell, totipotent A cell with the capacity to form an entire organism. Human development begins when a sperm fertilizes an egg…
- Curcumin A mixture of compounds derived from the curry spice turmeric. Curcumin is sold in the US as a herbal…
- Sight, day Night blindness. Listed in medical dictionaries under 'Nyctalopia' from the Greek 'nyct' (night) + 'aloas'…
- Fear of the dark Pathological fear of the dark, an abnormal and persistent dread of the dark. Sufferers experience undue…
- Arthritis, spondylitis A form of arthritis causing chronic inflammation of the spine
- Appendix A small outpouching from the beginning of the large intestine (the ascending colon). Formally called the…
- Frotteurism Frotteurism is a problem where the focus of the person's sexual urges is related to touching or rubbing his…
- Scan, bone A technique to create images of bones on a computer screen or on film. A small amount of radioactive material…
- Nail furrows See: Beau's lines
- Scrub 1. As a verb, to wash the hands and forearms very thoroughly, as before engaging in surgery. To scrub implies…
- Parkinson's disease Parkinson's disease: See: Parkinson disease.