MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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 vaccine, oral
A vaccine that contains live attenuated (weakened) poliovirus. Abbreviated OPV. Also referred to as polio vaccine, Sabin
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Show more- Hematochezia Bright red blood in the stool, usually from the lower gastrointestinal tract -- the colon or rectum -- or…
- Uvula The small piece of soft tissue that can be seen dangling down from the soft palate over the back of the…
- Vertebroplasty A nonsurgical method for the repair of vertebral fractures and compression due to osteoporosis. Broken bones…
- Metatarsus The part of the foot that lies just beyond the tarsus, between the tarsus and the toes. The skeleton of the…
- Necropsy A postmortem examination or autopsy. Necropsies have been done for more than 2,000 years but during most of…
- Acute thrombocytopenic purpura The sudden onset of low blood platelet levels with bleeding into the skin and elsewhere. Acute…
- Rheumatologist A specialist in the non-surgical treatment of rheumatic illnesses, especially arthritis. Rheumatologists have…
- Parkinson disease Parkinson disease: A slowly progressive neurologic disease characterized by a fixed inexpressive face, a…
- Keratin Protein in the upper layer of the skin, hair, nails and animal horns. The word keratin comes from the…
- Chocolate A food or flavoring made from the seeds of the cacao or chocolate tree. Chocolate is rich in flavinoids…
- Sore, cold A small sore situated on the face or in the mouth that causes pain, burning, or itching before bursting and…
- Paraneoplastic syndrome The collective signs and symptoms caused by a substance emanating from a tumor or in reaction to a tumor…