HISTOLOGY 51 



cellent example of areolar connective tissue, with 

 fibers, blood vessels and lymph spaces. 



326. Outside the submucosa is a thick layer of circular 

 smooth muscles and 



327. a thin layer of longitudinal smooth muscles. 



328. The exterior layer is a thin covering of fibrous con- 

 nective tissue and of squamous epithelium, the peri- 

 toneum. Many capillaries may be seen. 



Drawing 30. Draw an outline of the intestine, HUing 

 in the details in one sector only. 



