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.
- 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).
Spur, heel
A bony spur projecting from the back or underside of the heel that often makes walking painful. Spurs at the back of the heel are associated with inflammation of the Achilles tendon (Achilles tendinitis) and cause tenderness and pain at…
Read the definitionRandom terms
Show more- Aphonia Inability to speak.
- Reticulocyte A young red blood cell that usually remains in the bone marrow with only a few venturing out into the…
- Vena cava, inferior A large vein that receives blood from the lower extremities, pelvis and abdomen and empties it into the right…
- Deficiency, sphingomyelinase Also called Niemann-Pick disease, this is a disorder of the metabolism of a lipid (fat) called sphingomyelin…
- Stickler syndrome, type I See: Stickler syndrome
- Association, VATER See: VATER association
- Infantile genetic agranulocytosis Children born with this condition lack neutrophils (a type of white blood cell that is important in fighting…
- Protein malnutrition Insufficient intake of nitrogen-containing food (protein) to maintain a nitrogen balance or nitrogen…
- Ventricular arrhythmias Abnormal rapid heart rhythms (arrhythmias) that originate in the lower chambers of the heart (the…
- EYCL1 A gene for green/blue eye color located on chromosome 19. See also: Eye color
- Subclavian Under the clavicle (the collar bone), as the subclavian artery or the subclavian vein
- Post Short for postmortem examination (an autopsy)