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).
DTaP immunization
Like DPT, DTaP protects from diphtheria, pertussis (whooping cough) and tetanus. DTaP is the same as DTP, except that it contains only acellular pertussis vaccine which is thought to cause fewer of the minor reactions associated with…
Read the definitionRandom terms
Show more- Agnosia The inability to recognize and identify objects or persons despite having knowledge of the characteristics of…
- Akinetic Without movement (or without much movement). A term used in neurology to denote the absence (or poverty) of…
- UNOS Acronym for the United Network for Organ Sharing, the nationwide umbrella for transplantation organ sharing…
- Syndrome, Eagle Inflammation of the styloid process, a spike-like projection sticking off the base of the skull. The tissues…
- Miliary aneurysm An aneurysm that is tiny like a millet seed. Miliary aneurysms tend to affect minute arteries in the brain…
- Vaccine, live polio See: Polio vaccine, oral
- Stricture of the esophagus, chronic A narrowing or closure of the normal opening of the swallowing tube leading to the stomach, usually caused by…
- Cyclops A common freshwater crustacean. Some species of Cyclops serve as hosts for parasites such as the guinea worm…
- Recommended Daily Allowance Popular name for the Recommended Dietary Allowance (RDA)
- Antisense In molecular biology, the strand complementary to a coding sequence of a nucleic acid. Antisense DNA is the…
- Trismus Inability to open the mouth fully. This may be due to spasm of the jaw muscles and be a symptom of tetanus…
- Mental retardation, blindness, deafness, seizures Seizures: A disorder first reported in 1999 by Gustavson and colleagues as a newly recognized X-linked mental…