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).
White blood cell
One of the cells the body makes to help fight infections. There are several types of white blood cells (leukocytes). The two most common types are the lymphocytes and neutrophils (also called polymorphonuclear leukocytes, PMNs, or…
Read the definitionRandom terms
Show more- Hepatic ductular hypoplasia, syndromatic Also called Alagille syndrome or arteriohepatic dysplasia, this is a genetic disorder characterized by…
- Radionuclide scan An examination that produces pictures of internal parts of the body. The patient is given an injection or…
- Olivae The olives, twin structures in the brain
- Full gene sequence The complete order of bases in a gene. This order determines which protein a gene will produce
- Klumpke palsy A form of brachial plexus palsy in which there is paralysis of the muscles of the forearm and hand due to an…
- Klumpke's palsy See: Klumpke palsy
- MCI Mild cognitive impairment
- Philippine hemorrhagic fever A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage…
- Islets of Langerhans Known as the insulin-producing tissue, the islets of Langerhans do more than that. They are groups of…
- Syndrome, Cogan A form of arteritis (also referred to as vasculitis) that involves the ear. This condition is called Cogan…
- NICU Newborn, or Neonatal, Intensive Care Unit, an intensive care unit designed for premature and ill newborn…
- PCO disease >Irregular or no periods >Acne >Obesity, and >Excess hair growth. All women with PCO have irregular or no…