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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Seizure, astatic
See: Atonic seizure
Read the definitionRandom terms
Show more- Echocardiography Echocardiography is a diagnostic test which uses ultrasound waves to make images of the heart chambers…
- Abate To lessen or decrease. After a boil is lanced, the pus can drain and the pain and tenderness abate. From the…
- Cloning vector A DNA molecule originating from a virus, a plasmid (see below) or the cell of a higher organism into which…
- Chronic daily headache See: Headache, chronic daily
- DTaP Diphtheria-Tetanus-acellular Pertussis vaccine
- Hepatic ductular hypoplasia, syndromatic Also called Alagille syndrome or arteriohepatic dysplasia, this is a genetic disorder characterized by…
- Eardrum The tympanic membrane of the ear, or tympanum, the membrane that separates the middle ear from the external…
- Test, nerve conduction See: Nerve conduction velocity test
- Irritant contact dermatitis Dermatitis: A rash brought about by constant irritation from a substance. For example, anyone who washes…
- Patellar tendon A tendon that extends down from the quadriceps muscle in the thigh to incorporate the patella (the kneecap)…
- Tube A long hollow cylinder. There are many tube-like structures in the human body, such as the auditory tube…
- Brazelton newborn test A widely used test of the newborn baby as to their neurologic status and developmental progress. The…