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).
Booster shot
An additional dose of a vaccine needed periodically to 'boost' the immune system. For example, a booster shot of the tetanus and diphtheria (Td) vaccine is recommended for adults every 10 years
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Show more- Dental drill A device that dentists use to drill into teeth. Primitive dental drills were used in the 18th and early 19th…
- Gerstmann-Straussler syndrome See: Gerstmann-Straussler-Scheinker syndrome
- Seizure Seizure: Uncontrolled electrical activity in the brain, which may produce a physical convulsion, minor…
- VATER association A nonrandom association of birth defects. VATER is an mnemonic in which the letters V, A, T, E, and R each…
- Micropigmentation Tattooing
- Gram stain The Danish bacteriologist J.M.C. Gram (1853-1938) devised a method of staining bacteria using a dye called…
- Flu, avian See: Avian influenza
- Homo floresiensis A human-like species who lived until 18,000 years ago in the company of giant Komodo lizards and now-extinct…
- Shield, nipple See: Nipple shield
- Glial cell A supportive cell in the central nervous system -- the brain and spinal cord. Glial cells do not conduct…
- Snoring Snoring: A rough rattling noise made on inspiration during sleep by vibration of the soft palate (the back of…
- Tumor grade The degree of abnormality of cancer cells, a measure of differentiation, the extent to which cancer cells are…