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).
Babinski sign
An important neurologic examination based upon what the big toe does when the sole of the foot is stimulated. If the big toe goes up, that may mean trouble. The Babinski sign is obtained by stimulating the external portion (the outside) of…
Read the definitionRandom terms
Show more- Head bones There are 29 bones in the human head. They consist of 8 cranial bones, 14 facial bones, the hyoid bone, and 6…
- ALS8 See: Amyotrophic lateral sclerosis 8
- Constraint-induced movement therapy A form of intensive physical therapy aimed at reorganizing and reprogramming the brain after a stroke, a…
- Lancet, The A weekly medical journal headquartered in London. Published uninterruptedly and with the same title since…
- Roseola Roseola: Roseola is a childhood illness caused by virus infection characterized by high fevers followed by a…
- Meniscus The word 'meniscus' comes from the Greek and refers to a crescent-shaped structure. Today a meniscus is…
- Tympanic cavity The major portion of the middle ear, consisting of a narrow air-filled cavity in the temporal bone that…
- Gamma globulin A major class of immunoglobulins found in the blood, including many of the most common antibodies circulating…
- Kernig sign A clinical hallmark of meningitis, inflammation of the meninges, the membranes covering the brain and spinal…
- Ankylosis Stiffness or, more often, fusion of a joint. From the Greek ankylsis, meaning stiffening of a joint
- Edentulism Without teeth. Complete loss of all natural teeth can substantially reduce quality of life, self-image, and…
- Frame, open reading See: Open reading frame