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).
Effusion, pericardial
See: Pericardial effusion
Read the definitionRandom terms
Show more- Meuse fever Fever: Named for the Meuse River area, one of the great battlegrounds of World War I. Also known as trench…
- Chyle A fluid consisting of a mixture of lymphatic fluid (lymph) and chylomicrons that has a milky appearance…
- Otolaryngologist A physician specialized in diagnosing and treating diseases of the head and neck, especially those involving…
- Gingivitis, fusospirillary This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Reactant, acute phase See: Acute-phase protein
- Vitreous A clear, jelly-like substance that fills the middle of the eye. Also called the vitreous humor, 'humor' in…
- Levocardia Reversal of all of the abdominal and thoracic organs (situs inversus) except the heart, which is still in its…
- Diverticulitis Inflammation of the diverticula (small outpouchings) along the wall of the colon, the large intestine. (One…
- Rhythm, sinus The normal regular rhythm of the heart set by the natural pacemaker of the heart called the sinoatrial (or…
- Freudian Pertaining to the neurologist, psychiatrist and founder of psychoanalysis Sigmund Freud (1856-1939) or to the…
- Birth defects, study of Birth defects, study of: The study of birth defects is now usually called dysmorphology. Dysmorphology is a…
- HS Hereditary spherocytosis. HS also stands for half-strength, hamstrings, heart sounds, heparan sulfate, hernia…