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).
Smokeless tobacco
Tobacco that is not smoked but used in another form such as chewing tobacco or snuff. Cancers of the oral cavity (mouth, lip, tongue) have been associated with the use of chewing tobacco as well as snuff. The tumors often arise at the site…
Read the definitionRandom terms
Show more- Skittles Street name for dextromethorphan (DXM)
- Hemorrhagic cyst This type of functional cyst occurs when bleeding occurs within a cyst. Symptoms such as abdominal pain on…
- Allergic granulomatosis A disease (also often called the Churg-Straus syndrome) characterized by inflammation of the blood vessels in…
- Defecation syncope The temporary loss of consciousness (syncope) upon defecating (having a bowel movement). Syncope is the…
- Xerostomia Dry mouth. The condition of not having enough saliva to keep the mouth wet due to inadequate function of the…
- Exonuclease An enzyme that cleaves nucleotide bases sequentially from the free ends of a nucleic acid (DNA or RNA)
- Q fever vaccine A vaccine against Q fever, an illness first recognized in Australia in the 1930's that affects people dealing…
- Flush (1) A redness of the skin, typically over the cheeks or neck. A flush is usually temporary and brought on by…
- Bartonella quintana Also called Rochalimaea quintana, this microorganism is an unusual rickettsia that can multiply within the…
- Lead poisoning Lead poisoning: An environmental hazard capable of causing brain damage. In the US lead poisoning is formally…
- Tandem MS Abbreviation for tandem mass spectrometry. See: Tandem mass spectrometry
- Microcephaly Microcephaly: An abnormally small head due to failure of brain growth. In precise terms, microcephaly is a…