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).
Bronchus
One of the large air tubes leading from the trachea to the lungs that convey air to and from the lungs. The bronchi (the plural) have cartilage as part of their supporting wall structure. The trachea divides to form the right and left main…
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Show more- Acromioclavicular joint The acromioclavicular (AC) joint is located between the acromion (a projection of the scapula that forms the…
- Sawyer's extractor A device designed for first aid that suctions venom from the site of a bite of a poisonous snake or lizard
- Office of Human Research Protections (OHRP) The agency responsible for developing, monitoring and exercising compliance over the protections afforded…
- Presentation, vertex In a vertex presentation, the top of the baby's head comes first at delivery. The vertex here refers…
- SAD A sore on a horse caused by an ill-fitting saddle. Also called a saddle sore.
- Fear of the number 13 A morbid fear of the number 13. Also known as triskaidekaphobia. Written reference to the superstitious fear…
- Hormone, thyrotropin A hormone produced by the pituitary gland at the base of the brain in response to signals from the…
- Scintigraphy A diagnostic test in which a two-dimensional picture of a body radiation source is obtained through the use…
- Ductus, patent Failure for the ductus arteriosus, an arterial shunt in fetal life, to close on schedule. Before birth, blood…
- Abiotrophy Loss of function or degeneration for reasons unknown. For example, cerebellar abiotrophy may affect…
- Strep, group A A well-known strain (a type) of streptococcus (strep) bacteria that can cause strep throat and common skin…
- Scan, thyroid An image taken of the thyroid gland after radioactive iodine is taken by mouth. The thyroid gland is in front…