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).
Anterior cruciate ligament
A ligament in the knee that crosses from the underside of the femur (the thigh bone) to the top of the tibia (the bigger bone in the lower leg). Abbreviated ACL. Injuries to the ACL can occur in a number of situations, including sports…
Read the definitionRandom terms
Show more- Babinski reflex An important neurologic test based, believe it or not, upon what the big toe does when the sole of the foot…
- Craniopharyngioma A type of benign brain tumor that emerges develops from embryonic tissue that forms part of the pituitary…
- Hematoma, intracerebral See: Intracerebral hematoma
- Sleep talking NREM (non-rapid eye movement) sleep is dreamless sleep. During NREM, the brain waves on the…
- Laryngeal nerve, recurrent One of the best known branches of the vagus nerve, a very long nerve that originates in the brainstem. After…
- Ear tubes Ear tubes: Formally known as tympanostomy tubes, ear tubes are small plastic tubes inserted into the eardrum…
- Virilize To cause a female to develop male characteristics such as a deepened voice, an increase in body and facial…
- Fear of ghosts An abnormal and persistent fear of ghosts. Sufferers of this fear experience undue anxiety even though they…
- Cyclooxygenase-1 See: Cox-1
- Iodine, radioactive An isotope of the chemical element iodine that is radioactive. Radioactive iodine is used in diagnostic tests…
- Acute confusional state See: Delirium
- Water 1. A tasteless odorless colorless liquid with the chemical formula H2O.2. The liquid which forms rain…