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).
Johnnies
Plural of johnny
Read the definitionRandom terms
Show more- Ant, fire Also called thief ants, a scourge, these red or yellow ants of small-to-medium size, originally from South…
- Dracunculiasis A parasitic disease caused by the largest parasite that plagues people and bores into their tissues -- the…
- Sickle hemoglobin Hemoglobin S, the most common type of abnormal hemoglobin and the basis of both sickle cell trait and sickle…
- Somatoform disorder See: Body dysmorphic disorder
- Medical scientist A person who combines expertise in medicine and science. Medical scientists of note might, for example…
- Lateral 1. In anatomy, the side of the body or a body part that is farther from the middle or center of the body…
- Vein, small saphenous The smaller of the two saphenous veins, the principal veins that run up the leg superficially (near the…
- QRS complex The deflections in the tracing of the electrocardiogram (ECG or EKG), comprising the Q, R, and S waves, that…
- Liminal In neurolgy, at the threshold of perception to a sensory stimulus. In other words, just barely perceptible to…
- Chiron In Greek mythology, the centaur who, wounded by Hercules, invented medicine in order to heal himself. Chiron…
- Aortitis Inflammation of the aorta. The causes of aortitis include syphilis or rheumatic fever
- Arteriovenous malformation (AVM) A serious disease characterized by inflammation of the walls of the blood vessels (vasculitis). The vessels…