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).
Paget disease of the breast
The combination of scaly skin changes of the nipple resembling eczema and an underlying cancer of the breast. The nipple is inflamed because of the presence of Paget's cells. These large irregular cells are themselves not cancerous, but…
Read the definitionRandom terms
Show more- Autoimmune thyroiditis See: Hashimoto thyroiditis
- Premature baby A baby born before 37 weeks of gestation have passed. Historically, the definition of prematurity was 2500…
- Filovirus A family of viruses that cause hemorrhagic fever. Filoviruses have single- stranded RNA as their genetic…
- Category 5 storm See: Category five hurricane
- Viral Of or pertaining to a virus. For example, 'My daughter has a viral rash.
- Hip fracture Broken bone in the hip, a key health problem among the elderly, usually due to a fall or other kind of trauma…
- Glucose-6-phosphate dehydrogenase (G6PD) Deficiency of G6PD is the commonest disease-causing enzyme defect in humans affecting an estimated 400…
- Nucleocaspid The genome plus the protein coat of a viral. The genome is nucleic acid. The protein coat is the capsid. The…
- Duodenum The first part of the small intestine. The duodenum extends from the pylorus at the bottom of the stomach to…
- Fever blister A small sore situated on the face or in the mouth that causes pain, burning, or itching before bursting and…
- Hemostasis The stoppage of bleeding or hemorrhage. Also, the stoppage of blood flow through a blood vessel or organ of…
- Food poisoning Food poisoning: A common flu-like illness typically characterized by nausea, vomiting and diarrhea, due to…