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).
Necrotizing fasciitis
A dangerous infection of soft-tissue that starts in the subcutaneous tissue (just below the skin) and spreads along the flat layers of fibrous tissue that separate different layers of tissue (fascial planes). It most commonly occurs in the…
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Show more- Mortality, infant The death of an infant before his or her first birthday. The infant mortality rate is, by definition, the…
- Iodine deficiency Iodine is a natural requirement of our diets. Iodine deficiency can lead to inadequate production of thyroid…
- Low blood sugar A low blood level of the sugar glucose. Also called hypoglycemia. Hypoglycemia is only significant when it is…
- H and H H and H, sometimes written as 'H&H', is a popular shorthand for hemoglobin and hematocrit, two very…
- Vaccination, H. flu This immunization is designed to prevent disease due to Haemophilus influenzae (H. flu), specifically…
- Synaptonemal complex A protein structure that forms between two homologous chromosomes during meiosis and that is thought to…
- Shunt, transjugular intrahepatic portosystemic A shunt that allows blood from the portal circulation (that supplies the liver) to flow into the systemic…
- Anticoagulant Any agent used to prevent the formation of blood clots. Anticoagulants have various uses. Some are used for…
- Tail 1. A slender appendage, such as the tail of the pancreas. 2. The appendage that protrudes from the buttocks…
- Celiac disease Celiac disease: A disorder resulting from an immune reaction to gluten, a protein found in wheat and related…
- Cyclic citrullinated peptide A circular peptide containing the amino acid citrulline. Abbreviated CCP. Autoantibodies directed against CCP…
- Heartburn An uncomfortable feeling of burning and warmth occurring in waves rising up behind the breastbone (sternum)…