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).
Lithotomy position
Position in which the patient is on their back with the hips and knees flexed and the thighs apart. The position is often used for vaginal examinations and childbirth
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- Leptospirosis Leptospirosis: An infectious disease caused by a particular type of bacteria called a spirochete transmitted…
- Vaccination, rubella See Immunization, MMR.
- Labia, oral The lips around the mouth. See lip.
- Low blood pressure Low blood pressure: Any blood pressure that is below the normal expected for an individual in a given…
- Bromoderma A skin eruption brought on by chronic exposure to bromine. Essentially an allergic reaction to bromine. There…
- Acquired epileptiform aphasia See Landau-Kleffner syndrome
- Muscular dystrophy, tibial A specific form of muscular dystrophy in which weakness is usually confined to the anterior compartment (the…
- Paronychia Inflammation of the folds of tissue surrounding the nail due to infection. The infection may be bacterial…
- Rheumatoid arthritis Rheumatoid arthritis: An autoimmune disease which causes chronic inflammation of the joints, the tissue…
- Acanthosis nigricans A skin condition characterized by dark thickened velvety patches, especially in the folds of skin in the…
- Leptin A hormone that has a central role in fat metabolism. Leptin was originally thought to be a signal to lose…