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).
QRS complex
The deflections in the tracing of the electrocardiogram (ECG or EKG), comprising the Q, R, and S waves, that represent the ventricular activity of the heart (the depolarization of the ventricles)
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Show more- Gynecoid Like a woman, womanly, female. The word gynecoid comes from the Greek gyno, gynaikos meaning woman. Gyneco-…
- AP, X-ray An X-ray picture in which the beams pass from front-to-back (anteroposterior). As opposed to a PA…
- Plasma The liquid part of the blood and lymphatic fluid, which makes up about half of its volume. Plasma is devoid…
- Shock, septic Shock caused by infection. See also septicemia.
- Prostaglandin F2-alpha One of the prostaglandins, a group of hormone-like substances that participate in a wide range of body…
- Septal defect, ventricular (VSD) A hole in the septum (the wall) between the lower chambers of the heart (the ventricles). Ventricular Septal…
- Health, public >The assessment and monitoring of the health of communities and populations at risk to identify health…
- Corpus callosotomy The corpus callosum is a band of nerve fibers connecting the two halves (hemispheres) of the brain. A corpus…
- Parenchymal Pertaining to the parenchyma of an organ. See: Parenchyma
- Pachyonychia congenita, type 1 This is a form of pachyonychia congenita (elephant nails from birth) in which teeth are evident at birth. It…
- Phenocopy 1. An environmental condition that imitates (copies) one produced by a gene. 2.The person who has an…
- Renal tubules Small structures in the kidney that filter the blood and produce the urine