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).
Cascade
A sequence of successive activation reactions involving enzymes (enzyme cascade) or hormones (hormone cascade) characterized by a series of amplifications of an initial stimulus. In blood coagulation, for example, each enzyme activates the…
Read the definitionRandom terms
Show more- Voice box The voice box, or larynx, is the portion of the respiratory (breathing) tract containing the vocal cords…
- Pax3 One in a family of Pax genes involved in regulating embryonic development at the level of transcription. The…
- YAC YAC stands for yeast artificial chromosome, a vector (carrier) created and used in the laboratory to clone…
- Eskalith See: Lithium
- MCV Abbreviation for mean cell volume, the average volume of a red blood cell. This is a calculated value derived…
- Test, EPO A test of the hormone EPO (erythropoietin) in blood. The EPO level can indicate bone marrow disorders, kidney…
- Inflammatory response A fundamental type of response by the body to disease and injury, a response characterized by the classical…
- Supraspinatus muscle >The supraspinatus muscle; >The subscapularis muscle, which moves the arm by turning it inward (internal…
- Infant iron supplementation Iron is included in most infant formulas. Therefore, there is no evidence that iron supplementation is…
- Motulsky dye test A test for glucose 6-phosphate dehydrogenase deficiency (G6PD), a cause of anemia and the most common enzyme…
- AP, X-ray An X-ray picture in which the beams pass from front-to-back (anteroposterior). As opposed to a PA…
- Syringoma A benign (non-cancerous) skin tumor that derives from eccrine cells, specialized cells that are related to…