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).
Tobacco
A South American herb, formally known as Nicotiana tabacum, whose leaves contain 2-8% nicotine and serve as the source of smoking and smokeless tobacco. Nicotiana tabacum belongs to the nightshade family, which also includes potatoes…
Read the definitionRandom terms
Show more- Proclivity An inclination or predisposition toward something, especially a strong inherent inclination toward something…
- Spongiform encephalopathy and cerebral amyloidosis See: Gerstmann-Straussler-Scheinker syndrome
- Hyperglycemia Hyperglycemia: A high blood sugar. An elevated level specifically of the sugar glucose in the blood…
- Ant, fire Also called thief ants, a scourge, these red or yellow ants of small-to-medium size, originally from South…
- Crepitus A clinical sign in medicine characterized by a peculiar crackling, crinkly, or grating feeling or sound under…
- Cholangitis Inflammation of the bile duct. From cholangi-, pertaining to a bile duct + -itis, inflammation. See also…
- Patient controlled analgesia See: PCA
- MIC-1 Macrophage inhibitory cytokine 1. A divergent member of the transforming growth factor beta superfamily…
- Chimera In medicine, a person composed of two genetically distinct types of cells. Human chimeras were first…
- Internist A physician who specializes in the diagnosis and medical treatment of adults. This specialty, called internal…
- Color hearing A form of chromesthesia in which hearing a musical tone elicits the perception of a color. In one case, an…
- Welt A red bump, ridge or swelling of unbroken skin raised by a stinging blow or by an allergic reaction to foods…