circulatory system

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circulatory system
Arteries (red) carry blood rich in oxygen from the heart to tissues of the body. Veins (blue) carry blood low in oxygen back to the heart.

circulatory system

n.
1. The system of structures in vertebrates consisting of the heart, blood vessels, and lymphatics, by which blood and lymph are circulated throughout the body.
2. A similar system by which a fluid, such as hemolymph, is distributed in other animals.

circulatory system

n
(Anatomy) anatomy zoology the system concerned with the transport of blood and lymph, consisting of the heart, blood vessels, lymph vessels, etc

cir′culatory sys`tem


n.
the system of organs and tissues, including the heart, blood, blood vessels, lymph, lymphatic vessels and glands, involved in circulating blood and lymph through the body.
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circulatory system
In the diagram above, the blood vessels of the circulatory system are colored according to whether they carry blood that is high in oxygen (red) or low in oxygen (blue). Most arteries, which carry blood away from the heart, are colored red; most veins, which carry blood back toward the heart, are colored blue.

cir·cu·la·to·ry system

(sûr′kyə-lə-tôr′ē)
The system that circulates blood through the body, consisting of the heart and blood vessels. In all vertebrates and certain invertebrates, the circulatory system is completely contained within a network of vessels. In vertebrates, the lymphatic system is also considered part of the circulatory system.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.circulatory system - the organs and tissues involved in circulating blood and lymph through the bodycirculatory system - the organs and tissues involved in circulating blood and lymph through the body
body, organic structure, physical structure - the entire structure of an organism (an animal, plant, or human being); "he felt as if his whole body were on fire"
liver - large and complicated reddish-brown glandular organ located in the upper right portion of the abdominal cavity; secretes bile and functions in metabolism of protein and carbohydrate and fat; synthesizes substances involved in the clotting of the blood; synthesizes vitamin A; detoxifies poisonous substances and breaks down worn-out erythrocytes
ticker, heart, pump - the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body; "he stood still, his heart thumping wildly"
blood stream, bloodstream - the blood flowing through the circulatory system
lymph - a thin coagulable fluid (similar to plasma but) containing white blood cells (lymphocytes) and chyle; is conveyed to the blood stream by lymphatic vessels
blood vessel - a vessel in which blood circulates
vein, vena, venous blood vessel - a blood vessel that carries blood from the capillaries toward the heart; "all veins except the pulmonary vein carry unaerated blood"
venous blood system, venation - (zoology) the system of venous blood vessels in an animal
lymph gland, lymph node, node - the source of lymph and lymphocytes
vascular system - the vessels and tissue that carry or circulate fluids such as blood or lymph or sap through the body of an animal or plant
fetal circulation, foetal circulation - the system of blood vessels and structures through which blood moves in a fetus
Translations
oběhová soustava
sistema circulatorio
verenkiertojärjestelmä
循環器
bloedvatenstelsel

circulatory system

n (Med) → apparato circolatorio
References in periodicals archive ?
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