Part 374

In man and other mammals, the arteries which contain arterialized blood receive it from the left ventricle of the heart through the aorta. See Aorta. The pulmonary artery conveys the venous blood from the right ventricle to the lungs, whence the arterialized blood is returned through the pulmonary veins.

3. Hence: Any continuous or ramified channel of communication; as, arteries of trade or commerce.

Ar*te"sian (&?;), a. [F. artésien, fr. Artois in France, where many such wells have been made since the middle of the last century.] Of or pertaining to Artois (anciently called Artesium), in France.

Artesian wells, wells made by boring into the earth till the instrument reaches water, which, from internal pressure, flows spontaneously like a fountain. They are usually of small diameter and often of great depth.

Art"ful (&?;), a. [From Art.] 1. Performed with, or characterized by, art or skill. [Archaic] "Artful strains." "Artful terms." Milton.

2. Artificial; imitative. Addison.

3. Using or exhibiting much art, skill, or contrivance; dexterous; skillful.

He too artful a writer to set down events in exact historical order. Dryden.

4. Cunning; disposed to cunning indirectness of dealing; crafty; as, an artful boy. [The usual sense.]

Artful in speech, in action, and in mind. Pope.

The artful revenge of various animals. Darwin.

Syn. -- Cunning; skillful; adroit; dexterous; crafty; tricky; deceitful; designing. See Cunning.

Art"ful*ly, adv. In an artful manner; with art or cunning; skillfully; dexterously; craftily.

Art"ful*ness, n. The quality of being artful; art; cunning; craft.

Ar"then (&?;), a. Same as Earthen. [Obs.] "An arthen pot." Holland.

{ Ar*thrit"ic (&?;), Ar*thrit"ic*al (&?;), } a. [L. arthriticus, Gr. 'arqritiko`s. See Arthritis.] 1. Pertaining to the joints. [Obs.] Sir T. Browne.

2. Of or pertaining to arthritis; gouty. Cowper.

||Ar*thri"tis (är*thr"ts), n. [L., fr. Gr. 'arqri^tis (as if fem. of 'arqri`tis belonging to the joints, sc. no`sos disease) gout, fr. 'a`rqron a joint.] (Med.) Any inflammation of the joints, particularly the gout.

Ar"thro*derm (&?;), n. [Gr. 'a`rqron joint + 'derm.] (Zoöl.) The external covering of an Arthropod.

||Ar*thro"di*a (&?;), n. [NL., fr. Gr. &?;, fr. &?; well articulated; 'a`rqron a joint + &?; shape.] (Anat.) A form of diarthrodial articulation in which the articular surfaces are nearly flat, so that they form only an imperfect ball and socket.

{ Ar*thro"di*al (&?;), Ar*throd"ic (&?;), } a. Of or pertaining to arthrodia.

||Ar`thro*dyn"i*a (&?;), n. [NL., fr. Gr. 'a`rqron joint + 'ody`nh pain.] (Med.) An affection characterized by pain in or about a joint, not dependent upon structural disease.

Ar`thro*dyn"ic, a. Pertaining to arthrodynia, or pain in the joints; rheumatic.

||Ar`thro*gas"tra (&?;), n. pl. [NL., fr. Gr. 'a`rqron joint + &?; stomach.] (Zoöl.) A division of the Arachnida, having the abdomen annulated, including the scorpions, harvestmen, etc.; pedipalpi.

Ar*throg"ra*phy (&?;), n. [Gr. 'a`rqron joint + -graphy.] The description of joints.

Ar*throl"o*gy, n. [Gr. 'a`rqron joint + -logy.] That part of anatomy which treats of joints.

Ar"thro*mere (&?;), n. [Gr. 'a`rqron joint + -mere.] (Zoöl.) One of the body segments of Arthropods. See Arthrostraca. Packard.

||Ar`thro*pleu"ra (&?;), n. [NL., fr. Gr. 'a`rqron joint + &?; the side.] (Zoöl.) The side or limb-bearing portion of an arthromere.