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).
Hughlings Jackson
See: Hughlings Jackson, John
Read the definitionRandom terms
Show more- Prelingual Before the development of speech and language. 'She showed that in prelingually deaf people (that is, those…
- Vaginal introitus The vaginal opening is called the introitus of the vagina. The Latin word 'introitus' comes from 'intro'…
- Acute pain Pain that comes on quickly, can be severe, but lasts a relatively short time. As opposed to chronic pain
- Colony-stimulating factor A laboratory-made agent similar to a substance in the body that stimulates the production of blood cells…
- Vein, portal A large vein that carries blood from the stomach and the intestines to the liver. The portal vein is formed…
- Assistive device Any device that is designed, made, or adapted to assist a person perform a particular task. For examples…
- Test, fecal occult blood Fecal occult blood: A test to check for hidden blood in the feces, the stool
- Compression 1. The act of pressing together. As in a compression fracture, nerve compression, or spinal cord compression…
- H and P In common doctor language, H stands for history and P for physical. So H and P = the history and physical…
- Polycyclic aromatic hydrocarbon Abbreviated PAH. A hydrocarbon (a molecule made up of hydrogen and carbon) containing two or more closed…
- Hereditary spherocytosis A genetic disorder of the red blood cell membrane clinically characterized by anemia, jaundice (yellowing)…
- Ter in die (on prescription) Seen on a prescription, tid means three times a day. It is an abbreviation for 'ter in die' which in Latin…