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A hollow, muscular organ, which, by contracting rhythmically, keeps up the circulation of the blood. Why does my blood thus muster to my heart! Shak.

mpressed in some part of the channel through which it has been protruded as to arrest its circulation, and produce swelling of the protruded part. It may occur in recent or chronic hernia, but is more common in the latter.

A chemical substance formed in one organ and carried in the circulation to another organ on which it exerts a stimulating effect; thus, according to Starling, the gastric glands are stimulated by a hormone from the pyloric mucous membrane.

To send out; to put into circulation; as, to issue notes from a bank.

aces left among the tissues of the lower animals, which serve in place of vessels for the circulation of the body fluids, or the cavity or sac, usually of very small size, in a mucous membrane.

Pertaining to, or having, lacunæ; as, a lacunar circulation.

tion undergoing change through the gradual transfer of material by volcanic eruption, the circulation of underground water, and the process of erosion and deposition. It is, therefore, regarded as a third mobile envelope comparable with the hydrosphere and atmosphere.

d from it a large part of the cranial nerves arise. It controls very largely respiration, circulation, swallowing, and other functions, and is the most vital part of the brain; -- called also bulb of the spinal cord. See Brain.

To put in circulation; to give currency to; as, to pass counterfeit money. "Pass the happy news." Tennyson.

Passing from one to another; in circulation; current. [Obs.] Many opinions are passant. Sir T. Browne.

To utter, or put into circulation; as, to publish counterfeit paper. [U.S.] To publish a will (Law), to acknowledge it before the witnesses as the testator's last will and testament.

Counterfeit money. [Slang] To shove the queer, to put counterfeit money in circulation. [Slang]

To withdraw from circulation, or from the market; to take up and pay; as, to retire bonds; to retire a note.

Characterized by abundance and active circulation of blood; as, a sanguine bodily temperament.

The condition of being stagnant; cessation of flowing or circulation, as of a fluid; the state of being motionless; as, the stagnation of the blood; the stagnation of water or air; the stagnation of vapors.

ng progress, motion, or action; also, the state of being stopped; as, the stoppage of the circulation of the blood; the stoppage of commerce.

Having the circulation stopped by compression; attended with arrest or obstruction of circulation, caused by constriction or compression; as, a strangulated hernia.

pecially, such as causes a suspension of breathing, of the passage of contents, or of the circulation, as in cases of hernia.

ll quantity of the metal. The only use of it [money] which is interdicted is to put it in circulation again after having diminished its weight by "sweating", or otherwise, because the quantity of metal contains is no longer consistent with its impression. R. Cobden.

Of or relating to a system; common to a system; as, the systemic circulation of the blood.