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.
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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).
Bladder, overactive
Bladder, overactive: A sudden involuntary contraction of the muscular wall of the bladder causing urinary urgency, an immediate unstoppable need to urinate. It is a form of urinary incontinence (the unintentional loss of urine) and affects…
Read the definitionRandom terms
Show more- FMDV Foot-and-mouth disease virus. See: Foot-and-mouth disease
- Incontinence of urine Inability to hold urine in the bladder. This is due to failure of voluntary control over the urinary…
- Extrafallopian A term meaning 'outside the fallopian tube.' There are two fallopian tubes in female mammals, including human…
- Cloaca A common passageway for feces, urine and reproduction. At one point in the development of the human embryo…
- Blood-brain barrier A protective network of blood vessels and cells that filters blood flowing to the brain.
- Absorption Uptake. In the biomedical sciences, absorption has diverse specific meanings. In the body, absorption is the…
- Scales, body fat See: Bioelectric impedance analysis
- Copy number polymorphism Abbreviated CNP. A normal variation in DNA due to variation in the number of copies of a sequence within the…
- Dacryo- A combining form denoting tears, as in dacryocyst (tear sac) and dacryocystorhinostomy (surgery to open up a…
- Sequence, Klippel-Feil See: Klippel-Feil sequence
- Altitude, high >High altitude: 8,000 - 12,000 feet (2,438 - 3,658 meters); >Very high altitude: 12,000 - 18,000 feet (3,658…
- Rock (drug) A street name given to cocaine that has been processed from cocaine hydrochloride to a ready-to-use free base…