INTESTINES AND MESENTAEY. 303 



than the preceding in England, and is a very serious malady ; 

 but I do not consider it necessaiy to describe it here. 



THE INTESTINES AND MESENTAEY. 



1. The dnodemim. 



2. The jejnnnm. 



3. The ileum. 



4. The coBCiun, being the anterior prolongation of the colon, or first large intes- 



tine. The ileam opens into this (on the hack side as presented in the cut,) 

 about twelve inches from its extremity — the opening being defended by a 

 valve. 



5. The large anterior portion of the colon, retaining its size (about three times 



that of the smaller intestines) for about two feet. 



6. 6. The colon tending toward the center. 



i, 7. The returning convolutions of the colon. 



8. The rectum or straight gut, communicating with the anus. 



9, 9. The mescntary, or that portion of the peritoneum Which retains the intes- 



tines in their places. 

 10. The portion of the mesentary supporting the colon, &c. 

 The united length of these intestines is upward of sixty feet. 



