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).
Acoustic nerve
A cranial nerve concerned with hearing, balance and head position. The acoustic nerve is the 8th cranial nerve. It branches into two parts -- a cochlear part integral to hearing and a vestibular part which mediates the sense of balance and…
Read the definitionRandom terms
Show more- Ethmoid bone An irregularly shaped, spongy bone that provides the floor of the front part of the skull and the roof of the…
- Irritable bowel syndrome (IBS) Irritable bowel syndrome (IBS): A common gastrointestinal disorder involving an abnormal condition of gut…
- Transient insomnia See Insomnia, transient
- Stanolone A semisynthetic analog of dihydrotestosterone
- Section, cross A transverse cut through a structure. The opposite is a longitudinal section
- Tachycardia, sinus A fast heartbeat (tachycardia) because of rapid firing of the sinoatrial (sinus) node. The sinoatrial (or…
- Posterior chamber The space in the eye behind the iris and in front of the lens. (The iris is the colored ring of tissue that…
- Tassinari syndrome Taste belongs to our chemical sensing system, or the chemosenses. The complicated process of tasting begins…
- Meter, peak-flow This hand-held device measures air flow (how fast air is blown out of the lungs). Patients can use peak-flow…
- Chancroid A sexually transmitted infection (STI) caused by the bacterium Haemophilus ducreyi. Periodic outbreaks of…
- Integrin One of a large and very important family of adhesion molecules that promote stable interactions between cells…
- Radiation fibrosis Scarring of the lungs from radiation. Radiation fibrosis is a sequel of radiation pneumonitis (inflammation…