Quain's elements of anatomy . STRUCTUEE OF SMALL INTESTINE. 601. longitadinal muscular coats. Being- extensions of the mucous membrane, theyserve to increase the absorbent surface to which the food is exposed. There are no TalvulEe conniventes quite at the commencement of theduodenum ; a short distance from the pylorus they begin to appear ; beyondthe point at -nhich the bile and pancreatic juice are poured into the duodenumthey are very large, regularly crescentic in form and placed so near to each Fig. 522.—Vertical section of THE INTESTINAL MUCOUS MEM-BRANE OP THE BABBIT (slightly altered f
Quain's elements of anatomy . STRUCTUEE OF SMALL INTESTINE. 601. longitadinal muscular coats. Being- extensions of the mucous membrane, theyserve to increase the absorbent surface to which the food is exposed. There are no TalvulEe conniventes quite at the commencement of theduodenum ; a short distance from the pylorus they begin to appear ; beyondthe point at -nhich the bile and pancreatic juice are poured into the duodenumthey are very large, regularly crescentic in form and placed so near to each Fig. 522.—Vertical section of THE INTESTINAL MUCOUS MEM-BRANE OP THE BABBIT (slightly altered from Frey). i|9. Two vilU are represented, inone of which the dilated lactealalone is shown, in the other theblood-vessels -and lacteal are bothseen injected, the lacteal white,the blood-vessels dark : a, thelacteal vessels of the villi; a,horizontal lacteal, wJiich they join;h, capillary blood-vessels in one ofthe villi; c, small artery; d, vein;e, the epithelium covering thevilli; g, tubular glands or cryi^tsof Lieberklihn, some divided dowTithe middle, oth
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Keywords: ., boo, bookcentury1800, booksubjectanatomy, booksubjecthumananatomy
