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).
Visual contrast sensitivity
The ability to perceive differences between an object and its background
Read the definitionRandom terms
Show more- Compress 1. As a noun, a cloth or another material applied under pressure to an area of the skin and held in place for…
- Disorder, mathematics A condition characterized by math skills that are significantly below normal, given the person's age…
- Cyst, pilonidal A special kind of abscess that occurs in the cleft between the buttocks. Forms frequently in adolescence…
- Vestigial Adjective describing something that is a vestige (remnant) or a primitive structure, and no longer believed…
- Endoscopic gastrostomy, percutaneous (PEG) A surgical procedure for placing a feeding tube without having to perform an open laparotomy (operation on…
- Idiocy, amaurotic familial An outdated term for Tay-Sachs disease (TSD) which is concisely defined by OMIM (Online Mendelian Inheritance…
- Fungiform Mushroom-shaped. From fungi-, fungus + forma, shape. The fungiform papillae are broad flat structures that…
- Regurgitation, aortic See: Aortic regurgitation
- Casting, serial The use of successive casts to reshape deformed or spastic limbs
- Villus, intestinal See: Intestinal villus
- Growth in height See: Normal growth
- Inborn error of metabolism A heritable disorder of biochemistry. Examples of inborn errors of metabolism include albinism, cystinuria (a…