MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Sign, Babinski
A neurologic reflex that constitutes an important medical examination based upon what the big toe does when the sole of the foot is stroked. If the big toe goes up, that may well mean trouble. The Babinski sign is obtained by stimulating…
Read the definitionRandom terms
Show more- Ovarian Of or pertaining to the ovary
- True rib One of the first 7 pairs of ribs. A rib is said to be 'true' if it attaches to the sternum (the breast bone)…
- Fundus, retinal The interior lining of the eyeball, including the retina (the light-sensitive screen), optic disc (the head…
- Lumbar spinal stenosis Lumbar spinal stenosis: A condition whereby either the spinal canal (central stenosis) or vertebral foramen…
- Transport defect Within the body, many molecules are able to pass across the membranes that surround cells. These molecules…
- Differentiated cancer Cancer: A cancer in which the cells are mature and look like cells in the tissue from it arose…
- Pediatric rheumatologist See: Urinary tract infection in children.
- Vaccination, HIB This immunization is designed to prevent diseases caused by Haemophilus influenzae type B (HIB), a bacteria…
- Pollen count The number of pollen grains landing on a given area during a specified time. The count is taken by a spinning…
- Petasites vulgaris See: Butterbur
- Achondrogenesis-hypochondrogenesis, type II See: Achondrogenesis type II
- Burn treatment The treatment of burns depends on the depth, area and location of the burn. Burn depth is generally…