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).
Phenomenon, 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 mean trouble. The Babinski reflex is obtained by stimulating the…
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Show more- Memory B cells Secondary immune-system components that have an affinity for a particular antigen. Like other B cells, memory…
- Pain, knee Causes of knee pain include injury, degeneration, arthritis, infrequently infection and rarely bone tumors.
- Medical geography An important 'new' area of health research that is a hybrid between geography and medicine dealing with the…
- Gram stain The Danish bacteriologist J.M.C. Gram (1853-1938) devised a method of staining bacteria using a dye called…
- Fever, dengue An acute mosquito-borne viral illness of sudden onset that usually follows a benign course with headache…
- Cavity, abdominal The cavity within the abdomen, the space between the abdominal wall and the spine. The abdominal cavity is…
- Fetal alcohol effects (FAE) A softer diagnosis than fetal alcohol syndrome (FAS). The diagnosis of possible FAE is considered when: 1…
- Humidifier Anything, usually a machine today, that adds moisture to the air
- Vocal tremor Tremor: Trembling or shaking of one or more of the muscles of the larynx (the voice box), resulting in an…
- Osmolarity The concentration of osmotically active particles in solution, which may be quantitatively expressed in…
- Retromingent Urinating backwards. Also an animal such as a raccoon that urinates backwards. As in: 'You have revealed…
- Dysphonia, spasmodic See: Spasmodic dysphonia