Large intestine 

The picture " " can link to it's
corresponding histological photograph. 

The picture " " can link to it's
corresponding histological drawing.




   Large intestine

N-16-d, silver impregnation; 
NN-16-a
   
NN-16-g, HE, cecum

NN-17-b, HE, rectum


Mucosa

»»  Crypts of Lieberkuhn & Surface epithelium
     are composed mostly of goblet cells

@Lamina propria

»»  Collagenous & reticular fibers are prominent in N-16-d
»»  Muscularis mucosae
»»  No villus

Submucosa

»»  Collagenous fibers are prominent in N-16-d

Tunica muscularis

»»  Inner circular
»»  Outer longitudinal
»»  Auberbach's plexus

Serosa

@

    Rectum

NN-17-b
with three rectal folds formed by mucosa and submucosa solitary lymphatic nodule

@

   Appendix 

( NN-18-a )  
lymph nodules in lamina propria and submucosa

@

   Recto-Anal canal 

( NN-18-e )

»»  simple columnar epi. with goblet cells
»»  stratified squamous epithelium
»»  apocrine circumanal glands
»»  smooth muscles

   Anus 

( NN-18-c )

»»  cornified stratified squamous epi.
»»  apocrine circumanal gland with large lumen
»»  sebaceous glands
»»  hair follicle
»»  striated muscle.
@