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).
Syndrome, Klinefelter
A chromosome condition in boys and men that is usually due to their having 47 chromosomes with XXY sex chromosomes, rather than having the usual 46 chromosomes with XY sex chromosomes. XXY is one of the most common chromosomal…
Read the definitionRandom terms
Show more- Preauricular tag A common minor anomaly, this is a rudimentary tag of ear tissue. It often contains a core of cartilage. The…
- Glycemic index An indicator of the ability of different types of foods that contain carbohydrate to raise the blood glucose…
- African tapeworm The beef tapeworm (Taenia saginata), the most common of the big tapeworms that parasitizes people, contracted…
- Voice box The voice box, or larynx, is the portion of the respiratory (breathing) tract containing the vocal cords…
- Deinococcus radiodurans A bacterium that can survives extremely high levels of radiation and therefore has high potential for…
- Al-hijamah Arabic term for the practice of cupping. See: Cupping
- B variant GM2-gangliosidosis See: Tay-Sachs disease
- Vertebral artery A key artery located in the back of the neck that carries blood from the heart to the brain
- Therapy, electroconvulsive See Electroconvulsive therapy
- Cancer, stomach Cancer of the stomach, the main organ that holds food for digestion. Worldwide, stomach cancer is the second…
- Syndrome, Coffin-Lowry An X-linked form of mental retardation in which the affected males have short stature and characteristic…
- Bones of the arm, wrist and hand There are 64 bones in the upper extremity. They consist of 10 shoulder and arm, 16 wrist and 38 hand bones. >…