3G6 



THE SMALL IXTESTINE. 



Fig. 263.— Portion op an Injected Peter's Patch (from Kolliker). Magnified. 



The drawing was taken from a preparation made by Frey ; it represents the fine 

 capillary network spreading from the surrounding blood-vessels into the intei'ior of 

 three lymphoid nodules, from the intestine of the rabbit. 



Fig'. 264. 



gfii/ (/ ^ ^^ 



Fig. 204. — Vertical Section of a portion of a Patch op Pe\er's Gi-ands, with 

 THE Lacteal Vessels injected (after Frey). 32 Diameters. 

 The specimen is from the lower part of the ileum : a, villi, with their lacteals left 

 ■white ; h, some of the tubular glands ; c, the muscular layer of the mucous membrane ; 

 d, the cupola or projecting part of Peyer's follicles ; c, their central part : /, the reticu- 

 lated lacteal vessels occupying the lymphoid tissue between the follicles, joined above by 

 the lacteals from the villi and mucous surface, and passing below into [/, the reticulated 

 lacteals under the follicles, which again pass into r/', the larger lacteals of the submu- 

 cous layer, i. 



