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).
Deoxyribonucleic acid
DNA. One of two types of molecules that encode genetic information. (The other is RNA. In humans DNA is the genetic material; RNA is transcribed from it. In some other organisms, RNA is the genetic material and, in reverse fashion, the DNA…
Read the definitionRandom terms
Show more- Adult respiratory distress syndrome Better known as ARDS. See: ARDS
- Local therapy Treatment that affects only a tumor and the area close to it.
- Solar keratosis Synonymous with actinic keratosis. See: Keratosis, actinic
- Malignancy A tumor that is malignant, that is cancerous, that can invade and destroy nearby tissue, and that may spread…
- TMJ Tempero-mandibular joint, the joint that hinges the lower jaw (mandible) to the skull.
- Medical school syndrome A form of acute hypochondriasis that affects most people in training to be a physician. For example, when…
- Hip bursitis Hip bursitis: A bursa is a fluid-filled sac that functions as a gliding surface to reduce friction between…
- Hysterectomy Hysterectomy: A surgical operation to remove the uterus and, sometimes, the cervix. Removal of the entire…
- Electrolarynx A battery-operated instrument that makes a humming sound to help people who have lost their larynx to talk
- Muscular dystrophy, limb-girdle One of a group of diseases that may begin in childhood or later with slowly progressive weakness and wasting…
- Artery A vessel that carries blood high in oxygen content away from the heart to the farthest reaches of the body…
- Cardiac myocyte A heart muscle cell. Sometimes called a myocyte when it is understood that it is in the heart. See also…