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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Show more- MADH4 A tumor suppressor gene (also known as SMAD4/DPC4) located on chromosome 18 in band 18q21 1. About 15% to 20%…
- ALCAM A receptor expressed on T cells which is involved in the adhesion of cells. ALCAM stands for activated…
- Single transverse palmar crease Preferable term for what historically was called a simian crease. See: Simian crease
- Alanine aminotransferase (ALT) An enzyme that is normally present in liver and heart cells. ALT is released into blood when the liver or…
- Meningitis, viral Inflammation of the meninges (the tissues that cover the brain and spinal cord) caused by a virus, usually…
- Desquamate To shed the outer layers of the skin. Although it may sound somewhat fishy, the word 'desquamate' comes from…
- Os calcis See: Calcaneus
- Knee-jerk Adjective meaning readily predictable to the point of being automatic. Knee-jerk often has a negative…
- Marfan syndrome Marfan syndrome: An inherited disorder of connective tissue characterized by abnormalities of the eyes…
- Chlorinated camphene See: Toxaphene
- Thomas Campion See: Campion, Thomas
- Practice, family The medical specialty which provides continuing and comprehensive health care for the individual and family…