'/'///; 



533 



upwards, to p;i-s :ili.vo the rectum ; when near the auuH, its terminal 

 divisions enter tho walls of that intestine. 



In its course this artery gives off, at pretty regular intervals, thirteen or 

 fourteen branches, tho foremost of which are the largest and longest; they 

 originate from the eonvexity of the urtery that is from below, and either 



UlSTKIIUlI'iN OK TI1K SMALL Ml > 1 ; lllb SJJAI.I. COLON \Mril I i > 



MESENTERY IS M'I:l AI> ' I. \M> lill -\l\ll 1M.-IIM: llll:u\\X HACK TO Til K 

 RIGHT I'M. Ill: 1111. LARGE COLON. 



1, Trunk of the small mesenteric artery ; '2, Great roesenteric artery ; 3, Its 

 anterior fasciculus; 4, First artery f the small ci-l.ni. turiuimr part of that 

 fasciculus; 5, Retrograde colic art try ; 6, Right fascii uiu- of the great mesen- 

 teric; 7, Branches of the left fasciculus; 8, Renal artery ; 9, Terminal extremity 

 of the aorta; 10, External iliac artery ; 11, Circumflex iliac artery ; 12, Internal 

 iliac artery. 



singly or in clusters ; tho latter disposition is the most common fur tho first 

 r five. They descend into the mesentery and arrive near tli 



curvature of the intestine, where they are disposed in tho following manner : 

 tirst seven or eight bifurcate, and form arches like those of tho art 



supplying the small intestine, differing from thorn only in being nearer the 



