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).
Polymyositis
Polymyositis: A chronic inflammatory disease of muscle that begins when white blood cells, the immune cells of inflammation, spontaneously invade muscles, especially the muscles closest to the trunk or torso, resulting in sometimes severe…
Read the definitionRandom terms
Show more- Leptomeningeal Having to do with the leptomeninges, the two innermost layers of tissues that cover the brain and spinal…
- Nodding syndrome A mysterious disease of children that causes seizures, growth retardation (stunted growth), mental…
- Ichthyosis, spasticity, oligophrenia syndrome Also known as the Sjogren-Larsson syndrome, this is a genetic (inherited) disease characterized by a triad of…
- Lassa virus The deadly cause of Lassa fever. Lassa virus is a virulent and highly transmissible RNA virus that belongs to…
- Epitope A single antigenic site on a protein against which an antibody reacts
- Pneumonectomy An operation to remove an entire lung or part of a lung
- MSG Monosodium glutamate, a sodium salt of the amino acid glutamic acid that enhances the flavor of certain…
- Disease, subclinical An illness that stays below the surface of clinical detection. A subclinical disease has no recognizable…
- Brachy- A short head, one that is short in diameter from front to back. Brachycephaly is a frequent feature of…
- Phenomenon, phantom limb See Phantom limb syndrome
- TMA See Trimethylaminuri
- Pregnancy, extrauterine A pregnancy that is not in the usual place and is located outside the inner lining of the uterus. A…