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- Randomize To use chance alone to assign or arrange. For example, the investigators may randomize the participants in a…
- Di- A byproduct of the male hormone testosterone. Dihydrotestosterone (DHT) is considered to be the essential…
- Diabetes, type 1 An autoimmune disease that occurs when T cells attack and decimate the beta cells in the pancreas that are…
- Cardiac stress testing, exercise The exercise cardiac stress testing (ECST) is the most widely used cardiac (heart) screening test. The…
- Cells, germ The eggs and sperm are the germ cells: the reproductive cells. Each mature germ cell is haploid in that it…
- Vestibulocochlear nerve A nerve that is responsible for the sense of hearing and which is also pertinent to balance, to the body…
- Peripheral neuropathy Peripheral neuropathy: A problem with the functioning of the nerves outside the spinal cord. Symptoms may…
- Anatomy, microscopic Known among medical students simply as 'micro', microscopic anatomy is the study of the form of normal…
- Asthma susceptibility gene One of the genes that predisposes a person to asthma. A new gene family that plays a major role in asthma…
- Sjogren syndrome Sjogren syndrome: An autoimmune disease that classically combines dry eyes, dry mouth, and another disease of…
- Gastric ulcer A hole in the lining of the stomach corroded by the acidic digestive juices which are secreted by the stomach…
- Artificial pacemaker A device that uses electrical impulses to regulate the heart rhythm or to reproduce that rhythm. An internal…