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).
System, immune
A complex system that is responsible for distinguishing us from everything foreign to us, and for protecting us against infections and foreign substances. The immune system works to seek and kill invaders. If a person is born with a…
Read the definitionRandom terms
Show more- Carotenoid One of a group of compounds that includes beta-carotene, alpha-carotene, and beta-cryptoxanthin which are…
- Gene, suicide A gene whose expression in a cell is lethal for that cell. Suicide genes form the basis of a strategy for…
- Curare A muscle relaxant used in anesthesia (and, in the past, in arrow poisons by South American Indians). Curare…
- ERISA Employment Retirement Income Security Act. A US law enacted in 1974 which set up the ground rules for pension…
- Diabetic skin disease A skin disorder that is caused by diabetes or affected by diabetes. Skin disorders are common in diabetes…
- Temporomandibular joint (TMJ) The joint that hinges the lower jaw (mandible) to the temporal bone of the skull. It is one of the most…
- Choanae The plural of choana
- Deficiency, uroporphyrinogen decarboxylase See: UROD deficiency
- Diabetes, type 2 One of the two major types of diabetes, the type in which the beta cells of the pancreas produce insulin but…
- Microscopy, cryo-electron See: Cryo-electron microscopy
- MSG Monosodium glutamate, a sodium salt of the amino acid glutamic acid that enhances the flavor of certain…
- Alcohol Abuse and Alcoholism, National Institute One of the National Institutes of Health, NIAAA's mission is to 'conduct research focused on improving the…