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Definition of Circulatory system
1. Noun. The organs and tissues involved in circulating blood and lymph through the body.
Exact synonyms: Cardiovascular System
Group relationships: Body, Organic Structure, Physical Structure
Terms within: Liver, Heart, Pump, Ticker, Blood Stream, Bloodstream, Lymph, Blood Vessel, Vein, Vena, Venous Blood Vessel, Venation, Venous Blood System, Lymph Gland, Lymph Node, Node
Generic synonyms: Vascular System
Specialized synonyms: Fetal Circulation, Foetal Circulation
Group relationships: Body, Organic Structure, Physical Structure
Terms within: Liver, Heart, Pump, Ticker, Blood Stream, Bloodstream, Lymph, Blood Vessel, Vein, Vena, Venous Blood Vessel, Venation, Venous Blood System, Lymph Gland, Lymph Node, Node
Generic synonyms: Vascular System
Specialized synonyms: Fetal Circulation, Foetal Circulation
Medical Definition of Circulatory system
1. The circulatory system is a composed of the heart, arteries, capillaries and veins. It serves to transport blood low in oxygen from the body to the lungs and heart (veins) and oxygenated blood from the lungs and heart throughout the body (arteries). (see heart, blood). (12 Dec 1998)