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).
Arrhythmias, atrial
Abnormal heart rhythm due to electrical disturbances in the atria (the upper chambers of the heart) or the AV node 'relay station', leading to fast heart beats. Examples of atrial arrhythmias includes atrial fibrillation, atrial flutter…
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Show more- Cystitis in children Bladder infection in children. See: Urinary tract infection in children
- Gamma-OH A European name for gamma hydroxybutyrate (GHB), a colorless and odorless drug used illicitly for…
- Infant formula A substitute for breast milk for feeding infants. Pediatricians generally advise exclusively breastfeeding…
- Areflexia Absence of neurologic reflexes such as the knee jerk reaction
- BIA Bioelectric impedance analysis
- Bisexual suicide risk High rates of suicide have consistently been reported among homosexuals, particularly among adolescents and…
- Inborn error of metabolism A heritable disorder of biochemistry. Examples of inborn errors of metabolism include albinism, cystinuria (a…
- Aniline A chemical compound implicated, along with o-toluidine, in the causation of bladder cancer. Aniline and…
- Lean body mass The mass of the body minus the fat (storage lipid). There are a number of methods for determining the lean…
- Alveolar Pertaining to the alveoli, the tiny air sacs in the lungs. The exchange of oxygen and carbon dioxide takes…
- Fever, Ebola virus A notoriously deadly virus that causes fearsome symptoms, the most prominent being high fever and massive…
- Smooth muscle One of the three types of muscle tissue in the body (skeletal, smooth, cardiac). Generally forms the…