MUSCULAR COAT OF THE STOMACH. 



105 



of the naturally injected vessels ; and the width of the 

 individual meshes of the capillary network may be 

 clearly seen. The section has been carried transversely 

 through the corpus striatum, and at certain intervals 

 large, roundish spots may be distinguished, which ap- 

 pear dark by transmitted light (Fig. 29, a, a, ), but by 

 reflected light and to the naked eye look white, and are 

 formed by transverse sections of the nervous fibres 

 which run in long strands towards the spinal marrow. 

 The vessels scarcely penetrate into them. The rest of 

 the mass, on the other hand, consists of the proper grey 

 substance of the corpus striatum, within which .a vascu- 

 lar network with very fine meshes is distributed, the 

 grey substance of the nervous centres being everywhere, 

 both in their interior and in their cortical substance, dis- 

 tinguished from the white by its greater vascularity. A 

 few large vessels are observable in the object, giving off 

 branches, the ramifications of which continually dimi- 

 nish in size, until at last they terminate in capillary net- 

 works with very fine meshes.- Still, however close this 

 network may be, every element of the substance of the 

 brain by no means comes into immediate contact with 

 a capillary vessel. 



The third object is a very slightly magnified injected 

 preparation from the mus- 

 cular coat of the stomach, 

 in which, with a high power, 

 the direction of the muscu- 

 lar fibres is indicated by 

 fine longitudinal striae ; here 

 the vessels form tolerably 

 regular networks, connect- 

 ed with one another by 



Fig. 30. Injected preparation from the muscular coat of the stomach of a rabbit, 

 magnified 11 diameters. 



FIG. 30. 



