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).
Sepsis, neonatal
A serious blood bacterial infection in an infant less than 4 weeks of age. Babies with sepsis may be listless, overly sleepy, floppy, weak, and very pale
Read the definitionRandom terms
Show more- School, first American medical See: First American medical school
- Gastrostomy, percutaneous endoscopic (PEG) A surgical procedure for placing a feeding tube without having to perform an open laparotomy (operation on…
- Organ of hearing See: Cochlea
- Ventricles 1, The right ventricle and the left ventricle, the lower two chambers of the heart. 2. Two or more of the…
- Diabetic spinal cord disease Involvement of the spinal cord in diabetes. Most of the neurologic attention in diabetes mellitus has focused…
- Yawning Involuntary opening of the mouth with respiration, breathing first inward, then outward. Yawning is often…
- Bunion A bunion is a localized painful swelling at the base of the big toe (the great toe). The joint is enlarged…
- Neuroma A tumor that arises in nerve cells
- Pseudomonas aeruginosa The versatile 'blue-green pus bacteria' that opportunistically infects people, especially those who are…
- Testosterone A 'male hormone' -- a sex hormone produced by the testes that encourages the development of male sexual…
- Hem-onc Short for Hematology-oncology
- Water pore See: Aquaporin