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).
Heroin addiction
Physical addiction to heroin, often with concurrent use of other opiates when heroin itself is not available. Treatment is by withdrawal, either gradual or sudden. Medication may be used to ease the physical effects of withdrawal, which…
Read the definitionRandom terms
Show more- Serration A finely notching like that along the cutting edge of a saw. The serratus muscles take their name from their…
- Cyst, thyrolingual See: Thyroglossal cyst
- ICD Implantable cardiac defibrillator, a device that is put within the body and is designed to recognize certain…
- Elastase 1 Pancreatic elastase, a member of the pancreatic family of serine proteases. Although termed elastase, this…
- Phenomenon, phantom limb See Phantom limb syndrome
- Malariology The study of malaria. Someone who is versed in malariology is a malariologist
- Lymph gland See Lymph node
- Neoplasia The process of abnormal and uncontrolled growth of cells. The product of neoplasia is a neoplasm (a tumor)
- Great Plague The 'Great Plague' that swept London in 1665 was probably not really the plague but rather typhus. The plague…
- PARK2 Familial Parkinson disease type 2
- Intravenous immunoglobulin A sterile solution of concentrated antibodies extracted from healthy people that is given straight into a…
- Radioimmunoassay A very sensitive, specific laboratory test (assay) using radiolabeled (and unlabeled) substances in an…