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).
Acetylcysteine
An antioxidant drug used to reduce the thickness of mucus and ease its removal. It is also used to reverse the toxicity of high doses of acetaminophen. Acetylcysteine with hydration significantly reduces the risk of contrast nephropathy in…
Read the definitionRandom terms
Show more- Prior approval See: Prior authorization
- Acetylcholine A key chemical in neurons (nerve cells) that acts as a neurotransmitter and carries information across the…
- Arch, aortic See: Aortic arch
- Vulvar Pertaining to the vulva, the female external genitalia including the labia majora, labia minora, clitoris…
- Anterior pituitary The front portion of the pituitary, a small gland in the head called the master gland. Hormones secreted by…
- Clade Related organisms descended from a common ancestor. For example, isolate M of HIV-1 (the human…
- Weaver's bottom Inflammation of the bursa that separates the gluteus maximus muscle of the buttocks from the underlying bony…
- Decease To depart from life; to die
- Sesamoid bone A little bone embedded in a joint capsule or tendon. The kneecap (patella) is a sesamoid bone
- Monitor, Holter See: Holter monitor
- Pancreas, annular An abnormal ring of pancreatic tissue that encircles the duodenum and often causes intestinal obstruction…
- In vitro Literally in glass, as in a test tube. A test that is performed in vitro is one that is done in glass or…