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).
Response, Babinski
A neurologic reflex that constitutes an important medical examination based, believe it or not, upon what the big toe does when the sole of the foot is stroked. If the big toe goes up, that may mean trouble. The Babinski response is…
Read the definitionRandom terms
Show more- National Heart, Lung, and Blood Institute (NHLBI) One of the National Institutes of Health in the U.S., the NHLBI's mission is to 'provide leadership for a…
- Bilharziasis A parasite infection by a trematode worm acquired from infested water. Also known as schistosomiasis. Species…
- Uridine monophosphate (UMP) A molecular ion derived from uridylic acid. It has a uracil as its base
- Tear film The liquid layer bathing the cornea and conjunctiva. It creates a perfectly smooth liquid outer layer that…
- Photochemotherapy, psoralen See: PUVA
- Range, normal By convention, the normal range for whatever (a particular test, condition, symptom, behavior, etc.) is set…
- Spondylosis Degeneration of the disc spaces between the vertebrae. This finding in the spine is commonly associated with…
- Hereditary arthroophthalmopathy See: Stickler syndrome
- Ergonomics The science of making things fit people instead of asking people to fit things. Ergonomics uses knowledge…
- Bad air Any air considered noxious. Today, air filled with tobacco smoke might be considered 'bad air.' So might air…
- Bone marrow aspiration The removal of a small amount of bone marrow (usually from the hip) through a needle. The needle is placed…
- Aphthous ulcer Aphthous ulcer: A small sensitive painful ulcer crater in the lining of the mouth. Commonly called a canker…