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).
Cluster headache
Headache: A distinctive syndrome of headaches, also known as migrainous neuralgia. There are two main clinical patterns of cluster headache -- the episodic and the chronic: > >Episodic: This is the most common pattern of cluster headache…
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Show more- Ornithine An amino acid that is not found in protein but is important in the formation of urea and the disposal of…
- LHRH agonist A compound that is similar to LHRH (luteinizing hormone-releasing hormone) in structure and is able to act…
- Heatliness A characteristic of certain foods or other substances believed to cause emotional or physical reactions…
- Tamponade, chronic A situation in which a chronic excess of fluid inside the pericardial sac and thickening of the pericardial…
- Congenital osseus-torticollis syndrome See: Klippel-Feil sequence
- Diabetic macular edema Edema: Swelling of the retina in diabetes mellitus due to leaking of fluid from blood vessels within the…
- Gastric ulcer A hole in the lining of the stomach corroded by the acidic digestive juices which are secreted by the stomach…
- Psychodynamic therapy A type of psychotherapy that draws on psychoanalytic theory to help people understand the roots of emotional…
- Tracheostomy Tracheostomy: A surgical operation to create an opening (stoma) into the windpipe (the trachea). The opening…
- Cochlea The cochlea is the part of the inner ear that converts mechanical energy (vibrations) into nerve impulses…
- Hernia, hiatus Protrusion of the stomach up into the opening normally occupied by the esophagus in the diaphragm, the great…
- Paraneoplastic syndrome The collective signs and symptoms caused by a substance emanating from a tumor or in reaction to a tumor…