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circulation    音标拼音: [s'ɚkjəl,eʃən]
n. 流通,循环,发行量

流通,循环,发行量

circulation
循环

circulation
循环

circulation
n 1: the dissemination of copies of periodicals (as newspapers
or magazines)
2: movement through a circuit; especially the movement of blood
through the heart and blood vessels
3: (library science) the count of books that are loaned by a
library over a specified period
4: number of copies of a newspaper or magazine that are sold;
"by increasing its circulation the newspaper hoped to
increase its advertising"
5: free movement or passage (as of cytoplasm within a cell or
sap through a plant); "ocean circulation is an important part
of global climate"; "a fan aids air circulation"
6: the spread or transmission of something (as news or money) to
a wider group or area

Circulation \Cir`cu*la"tion\, n. [L. circulatio: cf. F.
circulation.]
1. The act of moving in a circle, or in a course which brings
the moving body to the place where its motion began.
[1913 Webster]

This continual circulation of human things. --Swift.
[1913 Webster]

2. The act of passing from place to place or person to
person; free diffusion; transmission.
[1913 Webster]

The true doctrines of astronomy appear to have had
some popular circulation. --Whewell.
[1913 Webster]

3. Currency; circulating coin; notes, bills, etc., current
for coin.
[1913 Webster]

4. The extent to which anything circulates or is circulated;
the measure of diffusion; as, the circulation of a
newspaper.
[1913 Webster]

5. (Physiol.) The movement of the blood in the blood-vascular
system, by which it is brought into close relations with
almost every living elementary constituent. Also, the
movement of the sap in the vessels and tissues of plants.
[1913 Webster]

158 Moby Thesaurus words for "circulation":
Rh factor, Rh-negative, Rh-positive, Rh-type, Rhesus factor,
advertisement, airing, angular momentum, angular motion,
angular velocity, announcement, antibody, antigen, arterial blood,
axial motion, bandying, blood, blood bank, blood cell, blood count,
blood donor, blood donor center, blood group, blood grouping,
blood picture, blood platelet, blood pressure, blood serum,
blood substitute, bloodmobile, bloodstream, book, bowling,
broadcast, broadcasting, bruiting, bruiting about, centrifugation,
circling, circuit, circuition, circuitousness, circuitry,
circularity, circumambience, circumambiency, circumambulation,
circumflexion, circumgyration, circumlocution, circummigration,
circumnavigation, circumrotation, circumvolution, clinical dextran,
course, demonetization, devaluation, deviance, deviancy, deviation,
deviousness, dextran, diffusion, digression, display,
dissemination, distribution, erythrocyte, evulgation, excursion,
excursus, flow, flowing, full circle, globulin, gore, grume,
gyration, gyre, gyring, hematics, hematologist, hematology,
hematoscope, hematoscopy, hemocyte, hemoglobin, hemometer, humor,
ichor, indirection, isoantibody, issuance, issue, issuing,
leukocyte, lifeblood, meandering, monetization, motion, neutrophil,
opsonin, orbit, orbiting, passage, periodical, phagocyte, pivoting,
plasma, plasma substitute, printing, proclamation, promulgation,
pronouncement, propagation, publication, publishing, red corpuscle,
reeling, revaluation, revolution, roll, rolling, rotation,
rotational motion, round, roundaboutness, rounding, serum, spin,
spinning, spiral, spiraling, spread, spreading, spreading abroad,
swinging, swirling, swiveling, telecasting, transmission, trolling,
trundling, turbination, turn, turning, type O, venous blood,
ventilation, volutation, volution, wheel, wheeling, whir, whirl,
whirling, white corpuscle


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  • American Heart Association Journals
    Circulation Representing the best in the field of cardiovascular medicine and science as well as basic science Editor-in-Chief: Joseph A Hill, MD, PhD View latest issue
  • Circulation | Definition, Characteristics, Function . . .
    Circulation, the continuous movement of blood throughout the body, driven by the pumping action of the heart The circulation of the blood links the sites of oxygen utilization and uptake in the body Learn more about the main circulatory branches and factors that affect the circulation
  • Circulatory system - Wikipedia
    The circulatory system has two divisions, a systemic circulation or circuit, and a pulmonary circulation or circuit [3] Some sources use the terms cardiovascular system and vascular system interchangeably with circulatory system
  • How Your Circulatory System Works - Cleveland Clinic
    When blood gets oxygen from your lungs and brings it back to your heart, that’s your pulmonary circulation Systemic circulation describes supplying oxygen-rich blood to your whole body
  • Circulatory System: Function, Organs, Diseases - Healthline
    Your circulatory system works all day, every day, to pump oxygen throughout your body There are cardiovascular conditions that can impact this system Your circulatory system, also known as your
  • Circulatory System: Definition, Diagram And Functioning
    The circulatory system involves the circulation of blood throughout our body, and thus includes the transportation of gases, nutrients, waste products, etc The basic components that comprise this system are the blood vessels (mainly arteries and veins), the blood itself, and the heart
  • Cardiovascular System: Organs and Functions Diagram
    The heart is a fist-sized organ in the chest that is responsible for pumping blood It has four chambers: two upper chambers (atria) and two lower chambers (ventricles) These chambers are separated by valves to keep blood flowing in the proper direction The right atrium and right ventricle receive
  • Circulation - Biology Online Tutorial
    They have a high surface-to-volume ratio The plasma membrane of erythrocytes has surface proteins and polysaccharides that confer blood group Reticulocytes, produced in the soft interior of bones, called bone marrow, lose their cell organelles and enter the circulation as erythrocytes
  • How Blood Gets Around the Body - SpringerLink
    In this chapter, we describe how the various cells and organs of the body are connected This occurs via the Circulation Tree, a system of tubes in which the blood leaves and returns to the heart Circulation is not only as a system of tubes but also the vessel walls are important in the interaction with different components in the blood itself
  • Circulatory System - The Definitive Guide - Biology Dictionary
    The first is called the pulmonary circulation and it carries blood between the heart and the lungs The other extensive loop is called systemic circulation and begins from the aorta and supplies oxygen and nutrients to all the tissues of the body, including the muscles of the heart itself





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