188 



PROFESSOR CHRISTOPHER ADDISON. 



Table VI. 



Average Position of the various Peritoneal Folds. 



The mesentery. 



The upper border to the left of jM.]j., 



as to E.F., . 

 As it crosses the mid-line as to E.F., 

 The lower border as to A.S. II. Sp., 



CD., . . 

 ,, ,, Poupart's ligament, 



„ „ to the right of M.L., . 



Distance (centimetres). 

 2-8 



corresponds. 

 7-2 below. 

 2 ■4 above. 

 2-6 below. 

 8 "5 above. 

 4 



1 Peritoneal reflection on, to the back of the colon 



(or caecum) as to A.S. II. Sp., . . . .2-1 above. 



Peritoneal reflection on, to the inner side of large 



intestine in the plane of CD. to the right of M.L., 7 



Commencement of transverse meso-colon ivom. M.L., . 7 5 



as to E.F., . 6-45 below. 



,, the transverse meso-colon in M.L. ,, . 3 below. 



Left extremity of transverse meso-colon from M.L., . 8-9 



„ ,, as to E.F., . -5 below. 

 Commencement oi meso-sigmoid as to CD., . . I'l ,, 

 „ „ „ ihac crest (high- 

 est part), ......•• 4'6. ,, 



Commencement of meso-sigmoid from M.L., . . 6*6 

 Lowest attachment of ,, ,, . .5 



,, ,, as to A.S. II. Sp., . "9 above. 



^Commencement of meso-redum as to CD., . . 3'1 below. 



^ This is taken at the lowest point of the reflection of the peritoneum from the 

 right iliac fossa on to the back of the large intestine. 



- By this is meant the place where the peritoneum passes directly downwards 

 on the pelvic aspect of the sacrum. 



Tabic IV., Appendix, contains the details of tlie various measurements of the 

 peritoneum. 



The Peritoneum. 



(A) The Mesentery — Prolapse. — The displacements of the 

 duodeno-jejimal flexure have been considered in the section on 

 the duodenum. One or tv^o points remain. Taking the upper 

 border of the flexure as the upper border of the mesentery, it 

 corresponded with E.F., and had an average distance of 9-5 cm. 

 above the iliac crest. This agrees very well with (12) Lock- 



