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).
Somniloquy
Sleep talking. Talking in one's sleep is considered a normal phenomenon that is of no medical or psychological consequence
Read the definitionRandom terms
Show more- PCBs PolyChlorinated Biphenyls, a mixture of up to 209 chlorinated chemicals. Although PCBs are no longer produced…
- Atresia, anal Congenital absence of an opening at the bottom end of the intestinal tract. Also called imperforate anus…
- Heritable connective tissue disease A disorder due to mutation of a gene responsible for connective tissue, the material that gives tissues form…
- Radium The celebrated radioactive element discovered by Marie and Pierre Curie in 1898
- Heart block A block in the conduction of the normal electrical impulses in the heart.
- Pro time The pro time (or, more properly, the prothrombin time) is a test of the integrity of part of the clotting…
- Probability The likelihood that something will happen. For example, a probability of less than .05 indicates that the…
- Asymptomatic Without symptoms. For example, an asymptomatic infection is an infection with no symptoms
- McBurney's point McBurney's point is the most tender area of the abdomen of patients in the early stage of appendicitis…
- Prune belly syndrome Partial or complete absence of the abdominal muscles so that the outlines of the intestines are visible…
- Zoonotic transfer The transmission of a disease from an animal host to a human. Infections transmitted from their animal host…
- Emergency postcoital contraception See: Emergency contraception