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).
De Musset sign
Rhythmic nodding or bobbing of the head in synchrony with the heart beat, a sign of aortic insufficiency --incompetence of the aortic valve with aortic regurgitation. The causes include syphilitic aortitis, rheumatic fever, and aortic…
Read the definitionRandom terms
Show more- Dialysis machine Dialysis machine: A machine that filters a patient's blood to remove excess water and waste products when the…
- Caseous Cheeselike. In caseous lymphadenitis, the lymph nodes turn into a soft, dry, crumbly mass resembling cheese…
- Male external genitalia The external genital structures of the male, comprising the penis, the male urethra, and the scrotum
- Flatus Gas in the intestinal tract or passed through the anus. The intestinal gases are hydrogen, nitrogen, carbon…
- Endarterectomy An operation to clean out an artery and restore normal blood flow through the artery. An endarterectomy is…
- CABG Coronary artery bypass graft; and Coronary artery bypass grafting
- Fear of pain An abnormal and persistent fear of pain. The fear is excessive, beyond that which is expected under the…
- Disease, chronic obstructive lung (COLD) Any disorder that persistently obstructs bronchial airflow. COLD mainly involves two related diseases --…
- Palatine bone A bone behind the maxilla which enters into the formation of the hard palate (hence, the name 'palatine')…
- Doctor-assisted suicide The term in the UK for physician-assisted suicide
- Anatomical position The position with the body erect with the arms at the sides and the palms forward. The anatomical position is…
- Giant hypertrophic gastritis A premalignant disorder of the stomach characterized by overgrowth of the stomach lining (the gastric mucosa)…