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).
Insomnia, intermittent
Insomnia that occurs from time to time and each time lasts less than a week or two. Intermittent insomnia may not require treatment since the episodes of insomnia usually only last a few days at a time. For example, if insomnia is due to a…
Read the definitionRandom terms
Show more- Range, normal By convention, the normal range for whatever (a particular test, condition, symptom, behavior, etc.) is set…
- Radioimmunoassay A very sensitive, specific laboratory test (assay) using radiolabeled (and unlabeled) substances in an…
- Sunscreen A substance that blocks the effect of the sun's harmful rays. Using lotions that contain sunscreens can…
- XXY See: Klinefelter syndrome
- Jaundice, hemolytic Jaundice, hemolytic: Jaundice caused by destruction of red blood cells. This can be an inborn condition…
- Chemofog See: Chemobrain
- Sickle cell disease A genetic blood disease due to the presence of an abnormal form of hemoglobin, namely hemoglobin S…
- Atrophy, peroneal muscular Charcot-Marie-Tooth disease
- Alternating hemiplegia syndrome See: Alternating hemiplegia of childhood
- Rupture, uterine A tear of the uterus, an uncommon but very serious situation that may result in hysterectomy, urologic injury…
- Pauling See: Pauling, Linus
- Sinoatrial node The sinoatrial node (the SA node) is one of the major elements in the cardiac conduction system, the system…