MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
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).
Polio immunization
One of the two polio vaccines that are available: oral polio vaccine (OPV) and inactivated polio vaccine (IPV). OPV was formerly recommended for children in the U.S. but was shown to actually cause polio in extremely rare cases and is no…
Read the definitionRandom terms
Show more- Colpotomy A surgical incision in the vagina. The -tomy part of the word comes from the Greek tome meaning cutting
- Dry mouth Dry mouth: The condition of not having enough saliva to keep the mouth wet. This is due to inadequate…
- Disease, acute respiratory A sudden condition in which breathing is difficult and the oxygen levels in the blood abruptly drop lower…
- A- See: A-
- Penis, erection of the When the penis fills with blood and is rigid. The penis contains two chambers, called the corpora cavernosa…
- Y chromosome sex-determining region See: Y sex-determining region
- Cornea The clear front window of the eye that transmits and focuses light into the eye. Although the cornea is clear…
- Meningitis, Mollaret Benign recurrent aseptic meningitis. The cause of Mollaret meningitis is not known. Mollaret meningitis is…
- Probe (1) In surgery, a probe is a slender flexible rod with a blunt end used to explore, for example, an opening…
- Porencephaly A disorder of the central nervous system involving a cyst or cavity in a cerebral hemisphere of the brain…
- Pollinosis 1. Hay fever in response to pollen. 2. Hay fever in response to any allergen. See: Hay fever.
- Extrapyramidal side effects Physical symptoms, including tremor, slurred speech, akathisia, dystonia, anxiety, distress, paranoia, and…