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).
Nasal septum perforation
A hole in the nasal septum, the wall inside the nose that runs down the middle dividing it into two sides. The hole provides a direct communication between the two normally-separate sides of the nose. Perforation of the nasal septum can be…
Read the definitionRandom terms
Show more- Hospital It may seem unnecessary to define a 'hospital' since everyone knows the nature of a hospital. A hospital…
- Ollier disease A condition characterized by multiple enchondromas -- benign masses of cartilage growing within bones. An…
- Mutation, missense Mutation, missense: A genetic change involving the substitution of one base in the DNA for another which…
- Paternal age The age of the father at the time he conceives a child. The present mean (average) paternal age is 27 years…
- Midwife A person trained to assist a woman during childbirth. Many midwives also provide prenatal care for pregnant…
- Cerebral hemispheres The two halves of the cerebrum, the largest part of the brain.
- Wing bone See: SAD.
- Big toe sign An important neurologic examination based upon what the big toe (and other toes) do when the sole of the foot…
- Bullae More than one bulla, a bulla being a blister more than 5 mm (about 3/16 inch) in diameter with thin walls…
- Berylliosis Beryllium poisoning. See: Beryllium
- Presbyopia Presbyopia: The loss of the eye's ability to change focus to see near objects. The reasons for this loss of…
- Jurisprudence, medical See: Medical jurisprudence