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).
Agenesis of the gallbladder
This is a condition in which the gallbladder fails to develop. This happens in approximately one out of every 1,000 people. Gallbladder agenesis occurs alone in more than two-thirds (70%) of cases. The person with isolated gallbladder…
Read the definitionRandom terms
Show more- Clip A device used to hold something or things together. A surgical clip may be used to prevent a blood vessel…
- Stroke index A cardiodynamic measure. Stroke volume is the amount of blood the left ventricle ejects in one beat, measured…
- Omentectomy Surgery to remove part or all of the omentum, a fold of the peritoneum (the thin tissue lining the abdomen)…
- Mean cell volume A standard part of the complete blood count, the mean cell volume (MCV) is the average volume of a red blood…
- Genome, mustard Arabidopsis thaliana See: Arabidopsis thaliana genome
- Syndrome, MASS A heritable disorder of connective tissue characterized by involvement of the mitral valve, aorta, skeleton…
- Angioid streaks Tiny breaks in the elastin-filled tissue in the back of the eye (retinae). These abnormalities are visible to…
- Female condom Although the word 'condom' usually conjures up the male condom, there is a female condom. The Reality Female…
- Nictitating spasm Spasm of the eyelid with continuous winking. To nictitiate is to wink. 'Nictitate' and the older verb…
- Disorder, central auditory processing A condition in which there is an inability to differentiate, recognize or understand sounds while both the…
- Iatrogenic Due to the action of a physician or a therapy the doctor prescibed. An iatrogenic disease may be…
- Pemphigus One of a group of chronic, relapsing autoimmune skin diseases that cause blisters and erosions of the skin…