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).
Polyuria
The excessive passage of urine (at least 2.5 liters per day for an adult) resulting in profuse urination and urinary frequency (the need to urinate frequently). Polyuria is a classic sign of diabetes mellitus that is under poor control or…
Read the definitionRandom terms
Show more- Vertigo, recurrent aural A condition, also known as Meniere's disease, with recurrent vertigo accompanied by ringing in the ears…
- Explant 1. The original meaning: to transfer tissue from the body and place it in a culture medium for growth; and…
- Congenital lymphedema A condition present at birth in which excess fluid called lymph collects in tissues and causes swelling…
- Frenulum A small structure that has a restraining function. For example, the lingual frenulum attaches the tongue to…
- Emery-Dreifuss muscular dystrophy See: Muscular dystrophy, Emery-Dreifuss
- Nosebleed Nosebleed: Its medical name is epistaxis.
- LDL cholesterol Lipoproteins which are combinations of lipids (fats) and proteins are the form in which lipids are…
- Suppurative arthritis The part of the larynx above the glottis (where the vocal cords are located). The supraglottic larynx…
- Blastocystis infection See: Blastocystosis
- Gnashing Grinding the teeth. More formally called 'bruxism.' Gnashing, or bruxism, is due to clenching of the teeth…
- De Quervain's tenosynovitis De Quervain's tenosynovitis: De Quervain's tenosynovitis is inflammation of tendons on the side of the wrist…
- Child abuse, physical Child abuse, physical: Next to child neglect, physical abuse is the second most frequently reported form of…