202 NORMAL HISTOLOGY AND ORGANOGRAPHY. 



Vermiform Appendix. The appendix, although 

 very small, belongs to the large intestine. It is a 

 worm-like tube about three inches long and one- 

 quarter inch thick, although the length varies 

 greatly. It is a blind tube that evaginates from 



Fig. 151. Transverse section of human vermiform appendix. 

 Observe the numerous lymph nodules. The clear spaces in the submu- 

 cosa are adipose tissue (Sobotta). 



the lower end of the cecum. Lymph nodes are 

 particularly abundant in the mucosa of the ap- 

 pendix. 



The following taken from Cunningham's "Anat- 

 omy" will be of interest to the student: "A vermi- 

 form process is found only in man, the higher apes, 



