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).
Heel stick
A procedure in which a newborn baby's heel is pricked and then a small amount of the blood is collected, usually with a narrow-gauge ('capillary') glass tube or a filter paper. The heel stick is now the most common way to draw blood from…
Read the definitionRandom terms
Show more- Antipsychotic A medication (or another measure) that is believed to be effective in the treatment of psychosis. For…
- Disease, Crohn A chronic inflammatory disease primarily involving the small and large intestine but which can affect other…
- Syndrome A set of signs and symptoms that tend to occur together and which reflect the presence of a particular…
- Sensorineural deafness with XX gonadal dysgenesis See: Perrault syndrome.
- Pressure wound See: Pressure sore
- Small for gestational age (SGA) SGA infants weigh 2500 g or less at birth and are considered to have intrauterine growth retardation (IUGR)…
- Acid, fatty One of many molecules that are long chains of lipid-carboxylic acid found in fats and oils and in cell…
- Insertable loop recorder See: Patient-activated cardiac event recorder
- Lymphocytic Referring to lymphocytes, a type of white blood cell.
- Potassium balance The balance between too much potassium and, far more often today, too little potassium. Adults should consume…
- Death 1. The end of life. The cessation of life. (These common definitions of death ultimately depend upon the…
- CRAC1 Colorectal adenoma and carcinoma 1. Also called hereditary mixed polyposis syndrome. See: Hereditary mixed…