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.
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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).
System, central nervous (CNS)
That part of the nervous system that consists of the brain and spinal cord. The central nervous system (CNS) is one of the two major divisions of the nervous system. The other is the peripheral nervous system (PNS), that part of the…
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- Nucleosome Structure responsible in part for the compactness of a chromosome. Each nucleosome consists of a sequence of…
- Forced expiratory volume The volume of air that can be forced out taking a deep breath, an important measure of pulmonary function…
- Gastric banding A surgically implanted device used to help a person lose weight. In a surgical procedure, a band is placed…
- Diabetic xanthoma See: Eruptive xanthoma
- Gnathostomiasis A disease due to the migration of an immature roundworm called Gnathostoma. Migration just under the skin…
- Aneurysm, dissecting An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an…
- Congenital deafness and retinitis pigmentosa (Also called Usher syndrome.) A genetic disorder characterized by hearing impairment and an eye disorder…
- Analgesia The inability to feel pain while still conscious. From the Greek an-, without + algesis, sense of pain.
- Locoregional anesthesia Anesthesia that produces loss of pain only in the region of the surgery. This may be done by a 'spinal' in…
- ATP 1. Adenosine triphosphate. 2. Acute thrombocytopenic purpura
- Hepatic ductular hypoplasia, syndromatic Also called Alagille syndrome or arteriohepatic dysplasia, this is a genetic disorder characterized by…